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gecko-dev/dom/ipc/TabParent.cpp

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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#include "base/basictypes.h"
#include "TabParent.h"
#include "AppProcessChecker.h"
#include "mozIApplication.h"
#include "mozilla/BrowserElementParent.h"
#include "mozilla/dom/ContentParent.h"
#include "mozilla/dom/DataTransfer.h"
#include "mozilla/dom/indexedDB/ActorsParent.h"
#include "mozilla/plugins/PluginWidgetParent.h"
#include "mozilla/EventStateManager.h"
#include "mozilla/gfx/2D.h"
#include "mozilla/Hal.h"
#include "mozilla/ipc/DocumentRendererParent.h"
#include "mozilla/jsipc/CrossProcessObjectWrappers.h"
#include "mozilla/layers/CompositorParent.h"
#include "mozilla/layers/InputAPZContext.h"
#include "mozilla/layout/RenderFrameParent.h"
#include "mozilla/LookAndFeel.h"
#include "mozilla/MouseEvents.h"
#include "mozilla/net/NeckoChild.h"
#include "mozilla/Preferences.h"
#include "mozilla/TextEvents.h"
#include "mozilla/TouchEvents.h"
#include "mozilla/unused.h"
#include "BlobParent.h"
#include "nsCOMPtr.h"
#include "nsContentAreaDragDrop.h"
#include "nsContentUtils.h"
#include "nsDebug.h"
#include "nsFocusManager.h"
#include "nsFrameLoader.h"
#include "nsIBaseWindow.h"
#include "nsIContent.h"
#include "nsIDocShell.h"
#include "nsIDocShellTreeOwner.h"
#include "nsIDOMChromeWindow.h"
#include "nsIDOMElement.h"
#include "nsIDOMEvent.h"
#include "nsIDOMWindow.h"
#include "nsIDOMWindowUtils.h"
#include "nsIInterfaceRequestorUtils.h"
#include "nsILoadInfo.h"
#include "nsPrincipal.h"
#include "nsIPromptFactory.h"
#include "nsIURI.h"
#include "nsIWebBrowserChrome.h"
#include "nsIWindowCreator2.h"
#include "nsIXULBrowserWindow.h"
#include "nsIXULWindow.h"
#include "nsIRemoteBrowser.h"
#include "nsViewManager.h"
#include "nsIWidget.h"
#include "nsIWindowMediator.h"
#include "nsIWindowWatcher.h"
#include "nsOpenURIInFrameParams.h"
#include "nsPIDOMWindow.h"
#include "nsPIWindowWatcher.h"
#include "nsPresShell.h"
#include "nsPrintfCString.h"
#include "nsServiceManagerUtils.h"
#include "nsThreadUtils.h"
#include "nsWindowWatcher.h"
#include "private/pprio.h"
#include "PermissionMessageUtils.h"
#include "StructuredCloneUtils.h"
#include "ColorPickerParent.h"
#include "FilePickerParent.h"
#include "TabChild.h"
#include "LoadContext.h"
#include "nsNetCID.h"
#include "nsIAuthInformation.h"
#include "nsIAuthPromptCallback.h"
#include "SourceSurfaceRawData.h"
#include "nsAuthInformationHolder.h"
#include "nsICancelable.h"
#include "gfxPrefs.h"
#include "nsILoginManagerPrompter.h"
#include "nsPIWindowRoot.h"
#include "gfxDrawable.h"
#include "ImageOps.h"
#include <algorithm>
using namespace mozilla::dom;
using namespace mozilla::ipc;
using namespace mozilla::layers;
using namespace mozilla::layout;
using namespace mozilla::services;
using namespace mozilla::widget;
using namespace mozilla::jsipc;
// The flags passed by the webProgress notifications are 16 bits shifted
// from the ones registered by webProgressListeners.
#define NOTIFY_FLAG_SHIFT 16
class OpenFileAndSendFDRunnable : public nsRunnable
{
const nsString mPath;
nsRefPtr<TabParent> mTabParent;
nsCOMPtr<nsIEventTarget> mEventTarget;
PRFileDesc* mFD;
public:
OpenFileAndSendFDRunnable(const nsAString& aPath, TabParent* aTabParent)
: mPath(aPath), mTabParent(aTabParent), mFD(nullptr)
{
MOZ_ASSERT(NS_IsMainThread());
MOZ_ASSERT(!aPath.IsEmpty());
MOZ_ASSERT(aTabParent);
}
void Dispatch()
{
MOZ_ASSERT(NS_IsMainThread());
mEventTarget = do_GetService(NS_STREAMTRANSPORTSERVICE_CONTRACTID);
NS_ENSURE_TRUE_VOID(mEventTarget);
nsresult rv = mEventTarget->Dispatch(this, NS_DISPATCH_NORMAL);
NS_ENSURE_SUCCESS_VOID(rv);
}
private:
~OpenFileAndSendFDRunnable()
{
MOZ_ASSERT(!mFD);
}
// This shouldn't be called directly except by the event loop. Use Dispatch
// to start the sequence.
NS_IMETHOD Run()
{
if (NS_IsMainThread()) {
SendResponse();
} else if (mFD) {
CloseFile();
} else {
OpenFile();
}
return NS_OK;
}
void SendResponse()
{
MOZ_ASSERT(NS_IsMainThread());
MOZ_ASSERT(mTabParent);
MOZ_ASSERT(mEventTarget);
nsRefPtr<TabParent> tabParent;
mTabParent.swap(tabParent);
using mozilla::ipc::FileDescriptor;
FileDescriptor fd;
if (mFD) {
FileDescriptor::PlatformHandleType handle =
FileDescriptor::PlatformHandleType(PR_FileDesc2NativeHandle(mFD));
fd = FileDescriptor(handle);
}
// Our TabParent may have been destroyed already. If so, don't send any
// fds over, just go back to the IO thread and close them.
if (!tabParent->IsDestroyed()) {
mozilla::unused << tabParent->SendCacheFileDescriptor(mPath, fd);
}
if (!mFD) {
return;
}
nsCOMPtr<nsIEventTarget> eventTarget;
mEventTarget.swap(eventTarget);
if (NS_FAILED(eventTarget->Dispatch(this, NS_DISPATCH_NORMAL))) {
NS_WARNING("Failed to dispatch to stream transport service!");
// It's probably safer to take the main thread IO hit here rather
// than leak a file descriptor.
CloseFile();
}
}
// Helper method to avoid gnarly control flow for failures.
void OpenBlobImpl()
{
MOZ_ASSERT(!NS_IsMainThread());
MOZ_ASSERT(!mFD);
nsCOMPtr<nsIFile> file;
nsresult rv = NS_NewLocalFile(mPath, false, getter_AddRefs(file));
NS_ENSURE_SUCCESS_VOID(rv);
PRFileDesc* fd;
rv = file->OpenNSPRFileDesc(PR_RDONLY, 0, &fd);
NS_ENSURE_SUCCESS_VOID(rv);
mFD = fd;
}
void OpenFile()
{
MOZ_ASSERT(!NS_IsMainThread());
OpenBlobImpl();
if (NS_FAILED(NS_DispatchToMainThread(this))) {
NS_WARNING("Failed to dispatch to main thread!");
// Intentionally leak the runnable (but not the fd) rather
// than crash when trying to release a main thread object
// off the main thread.
mTabParent.forget();
CloseFile();
}
}
void CloseFile()
{
// It's possible for this to happen on the main thread if the dispatch
// to the stream service fails after we've already opened the file so
// we can't assert the thread we're running on.
MOZ_ASSERT(mFD);
PRStatus prrc;
prrc = PR_Close(mFD);
if (prrc != PR_SUCCESS) {
NS_ERROR("PR_Close() failed.");
}
mFD = nullptr;
}
};
namespace mozilla {
namespace dom {
TabParent *TabParent::mIMETabParent = nullptr;
TabParent::LayerToTabParentTable* TabParent::sLayerToTabParentTable = nullptr;
NS_IMPL_ISUPPORTS(TabParent,
nsITabParent,
nsIAuthPromptProvider,
nsISecureBrowserUI,
nsISupportsWeakReference)
TabParent::TabParent(nsIContentParent* aManager,
const TabId& aTabId,
const TabContext& aContext,
uint32_t aChromeFlags)
: TabContext(aContext)
, mFrameElement(nullptr)
, mIMESelectionAnchor(0)
, mIMESelectionFocus(0)
, mWritingMode()
, mIMEComposing(false)
, mIMECompositionEnding(false)
, mIMEEventCountAfterEnding(0)
, mIMECompositionStart(0)
, mIMESeqno(0)
, mIMECompositionRectOffset(0)
, mRect(0, 0, 0, 0)
, mDimensions(0, 0)
, mOrientation(0)
, mDPI(0)
, mDefaultScale(0)
, mUpdatedDimensions(false)
, mManager(aManager)
, mMarkedDestroying(false)
, mIsDestroyed(false)
, mAppPackageFileDescriptorSent(false)
, mSendOfflineStatus(true)
, mChromeFlags(aChromeFlags)
, mDragAreaX(0)
, mDragAreaY(0)
, mInitedByParent(false)
, mTabId(aTabId)
, mCreatingWindow(false)
, mNeedLayerTreeReadyNotification(false)
, mCursor(nsCursor(-1))
, mTabSetsCursor(false)
, mHasContentOpener(false)
{
MOZ_ASSERT(aManager);
}
TabParent::~TabParent()
{
}
TabParent*
TabParent::GetTabParentFromLayersId(uint64_t aLayersId)
{
if (!sLayerToTabParentTable) {
return nullptr;
}
return sLayerToTabParentTable->Get(aLayersId);
}
void
TabParent::AddTabParentToTable(uint64_t aLayersId, TabParent* aTabParent)
{
if (!sLayerToTabParentTable) {
sLayerToTabParentTable = new LayerToTabParentTable();
}
sLayerToTabParentTable->Put(aLayersId, aTabParent);
}
void
TabParent::RemoveTabParentFromTable(uint64_t aLayersId)
{
if (!sLayerToTabParentTable) {
return;
}
sLayerToTabParentTable->Remove(aLayersId);
if (sLayerToTabParentTable->Count() == 0) {
delete sLayerToTabParentTable;
sLayerToTabParentTable = nullptr;
}
}
void
TabParent::CacheFrameLoader(nsFrameLoader* aFrameLoader)
{
mFrameLoader = aFrameLoader;
}
void
TabParent::SetOwnerElement(Element* aElement)
{
// If we held previous content then unregister for its events.
RemoveWindowListeners();
// Update to the new content, and register to listen for events from it.
mFrameElement = aElement;
AddWindowListeners();
TryCacheDPIAndScale();
}
void
TabParent::AddWindowListeners()
{
if (mFrameElement && mFrameElement->OwnerDoc()) {
if (nsCOMPtr<nsPIDOMWindow> window = mFrameElement->OwnerDoc()->GetWindow()) {
nsCOMPtr<EventTarget> eventTarget = window->GetTopWindowRoot();
if (eventTarget) {
eventTarget->AddEventListener(NS_LITERAL_STRING("MozUpdateWindowPos"),
this, false, false);
}
}
if (nsIPresShell* shell = mFrameElement->OwnerDoc()->GetShell()) {
mPresShellWithRefreshListener = shell;
shell->AddPostRefreshObserver(this);
}
}
}
void
TabParent::RemoveWindowListeners()
{
if (mFrameElement && mFrameElement->OwnerDoc()->GetWindow()) {
nsCOMPtr<nsPIDOMWindow> window = mFrameElement->OwnerDoc()->GetWindow();
nsCOMPtr<EventTarget> eventTarget = window->GetTopWindowRoot();
if (eventTarget) {
eventTarget->RemoveEventListener(NS_LITERAL_STRING("MozUpdateWindowPos"),
this, false);
}
}
if (mPresShellWithRefreshListener) {
mPresShellWithRefreshListener->RemovePostRefreshObserver(this);
mPresShellWithRefreshListener = nullptr;
}
}
void
TabParent::DidRefresh()
{
if (mChromeOffset != -GetChildProcessOffset()) {
UpdatePosition();
}
}
void
TabParent::GetAppType(nsAString& aOut)
{
aOut.Truncate();
nsCOMPtr<Element> elem = do_QueryInterface(mFrameElement);
if (!elem) {
return;
}
elem->GetAttr(kNameSpaceID_None, nsGkAtoms::mozapptype, aOut);
}
bool
TabParent::IsVisible()
{
nsRefPtr<nsFrameLoader> frameLoader = GetFrameLoader();
if (!frameLoader) {
return false;
}
bool visible = false;
frameLoader->GetVisible(&visible);
return visible;
}
void
TabParent::Destroy()
{
if (mIsDestroyed) {
return;
}
RemoveWindowListeners();
// If this fails, it's most likely due to a content-process crash,
// and auto-cleanup will kick in. Otherwise, the child side will
// destroy itself and send back __delete__().
unused << SendDestroy();
if (RenderFrameParent* frame = GetRenderFrame()) {
RemoveTabParentFromTable(frame->GetLayersId());
frame->Destroy();
}
mIsDestroyed = true;
if (XRE_GetProcessType() == GeckoProcessType_Default) {
Manager()->AsContentParent()->NotifyTabDestroying(this);
}
// Let all PluginWidgets know we are tearing down. Prevents
// these objects from sending async events after the child side
// is shut down.
const nsTArray<PPluginWidgetParent*>& kids = ManagedPPluginWidgetParent();
for (uint32_t idx = 0; idx < kids.Length(); ++idx) {
static_cast<mozilla::plugins::PluginWidgetParent*>(kids[idx])->ParentDestroy();
}
mMarkedDestroying = true;
}
bool
TabParent::Recv__delete__()
{
if (XRE_GetProcessType() == GeckoProcessType_Default) {
Manager()->AsContentParent()->NotifyTabDestroyed(this, mMarkedDestroying);
ContentParent::DeallocateTabId(mTabId,
Manager()->AsContentParent()->ChildID());
}
else {
ContentParent::DeallocateTabId(mTabId, ContentParentId(0));
}
return true;
}
void
TabParent::ActorDestroy(ActorDestroyReason why)
{
if (mIMETabParent == this) {
mIMETabParent = nullptr;
}
nsRefPtr<nsFrameLoader> frameLoader = GetFrameLoader(true);
nsCOMPtr<nsIObserverService> os = services::GetObserverService();
if (frameLoader) {
nsCOMPtr<Element> frameElement(mFrameElement);
ReceiveMessage(CHILD_PROCESS_SHUTDOWN_MESSAGE, false, nullptr, nullptr,
nullptr);
frameLoader->DestroyComplete();
if (why == AbnormalShutdown && os) {
os->NotifyObservers(NS_ISUPPORTS_CAST(nsIFrameLoader*, frameLoader),
"oop-frameloader-crashed", nullptr);
nsContentUtils::DispatchTrustedEvent(frameElement->OwnerDoc(), frameElement,
NS_LITERAL_STRING("oop-browser-crashed"),
true, true);
}
mFrameLoader = nullptr;
}
if (os) {
os->NotifyObservers(NS_ISUPPORTS_CAST(nsITabParent*, this), "ipc:browser-destroyed", nullptr);
}
}
bool
TabParent::RecvMoveFocus(const bool& aForward)
{
nsCOMPtr<nsIFocusManager> fm = do_GetService(FOCUSMANAGER_CONTRACTID);
if (fm) {
nsCOMPtr<nsIDOMElement> dummy;
uint32_t type = aForward ? uint32_t(nsIFocusManager::MOVEFOCUS_FORWARD)
: uint32_t(nsIFocusManager::MOVEFOCUS_BACKWARD);
nsCOMPtr<nsIDOMElement> frame = do_QueryInterface(mFrameElement);
fm->MoveFocus(nullptr, frame, type, nsIFocusManager::FLAG_BYKEY,
getter_AddRefs(dummy));
}
return true;
}
bool
TabParent::RecvEvent(const RemoteDOMEvent& aEvent)
{
nsCOMPtr<nsIDOMEvent> event = do_QueryInterface(aEvent.mEvent);
NS_ENSURE_TRUE(event, true);
nsCOMPtr<mozilla::dom::EventTarget> target = do_QueryInterface(mFrameElement);
NS_ENSURE_TRUE(target, true);
event->SetOwner(target);
bool dummy;
target->DispatchEvent(event, &dummy);
return true;
}
struct MOZ_STACK_CLASS TabParent::AutoUseNewTab final
{
public:
AutoUseNewTab(TabParent* aNewTab, bool* aWindowIsNew, nsCString* aURLToLoad)
: mNewTab(aNewTab), mWindowIsNew(aWindowIsNew), mURLToLoad(aURLToLoad)
{
MOZ_ASSERT(!TabParent::sNextTabParent);
MOZ_ASSERT(!aNewTab->mCreatingWindow);
TabParent::sNextTabParent = aNewTab;
aNewTab->mCreatingWindow = true;
aNewTab->mDelayedURL.Truncate();
}
~AutoUseNewTab()
{
mNewTab->mCreatingWindow = false;
*mURLToLoad = mNewTab->mDelayedURL;
if (TabParent::sNextTabParent) {
MOZ_ASSERT(TabParent::sNextTabParent == mNewTab);
TabParent::sNextTabParent = nullptr;
*mWindowIsNew = false;
}
}
private:
TabParent* mNewTab;
bool* mWindowIsNew;
nsCString* mURLToLoad;
};
static already_AddRefed<nsIDOMWindow>
FindMostRecentOpenWindow()
{
nsCOMPtr<nsIWindowMediator> windowMediator =
do_GetService(NS_WINDOWMEDIATOR_CONTRACTID);
nsCOMPtr<nsISimpleEnumerator> windowEnumerator;
windowMediator->GetEnumerator(MOZ_UTF16("navigator:browser"),
getter_AddRefs(windowEnumerator));
nsCOMPtr<nsIDOMWindow> latest;
bool hasMore = false;
MOZ_ALWAYS_TRUE(NS_SUCCEEDED(windowEnumerator->HasMoreElements(&hasMore)));
while (hasMore) {
nsCOMPtr<nsISupports> item;
MOZ_ALWAYS_TRUE(NS_SUCCEEDED(windowEnumerator->GetNext(getter_AddRefs(item))));
nsCOMPtr<nsIDOMWindow> window = do_QueryInterface(item);
bool isClosed;
if (window && NS_SUCCEEDED(window->GetClosed(&isClosed)) && !isClosed) {
latest = window;
}
MOZ_ALWAYS_TRUE(NS_SUCCEEDED(windowEnumerator->HasMoreElements(&hasMore)));
}
return latest.forget();
}
bool
TabParent::RecvCreateWindow(PBrowserParent* aNewTab,
const uint32_t& aChromeFlags,
const bool& aCalledFromJS,
const bool& aPositionSpecified,
const bool& aSizeSpecified,
const nsString& aURI,
const nsString& aName,
const nsString& aFeatures,
const nsString& aBaseURI,
bool* aWindowIsNew,
InfallibleTArray<FrameScriptInfo>* aFrameScripts,
nsCString* aURLToLoad)
{
// We always expect to open a new window here. If we don't, it's an error.
*aWindowIsNew = true;
if (IsBrowserOrApp()) {
return false;
}
nsresult rv;
nsCOMPtr<nsPIWindowWatcher> pwwatch =
do_GetService(NS_WINDOWWATCHER_CONTRACTID, &rv);
NS_ENSURE_SUCCESS(rv, false);
TabParent* newTab = TabParent::GetFrom(aNewTab);
MOZ_ASSERT(newTab);
// Content has requested that we open this new content window, so
// we must have an opener.
newTab->SetHasContentOpener(true);
nsCOMPtr<nsIContent> frame(do_QueryInterface(mFrameElement));
nsCOMPtr<nsIDOMWindow> parent;
if (frame) {
parent = do_QueryInterface(frame->OwnerDoc()->GetWindow());
// If our chrome window is in the process of closing, don't try to open a
// new tab in it.
if (parent) {
bool isClosed;
if (NS_SUCCEEDED(parent->GetClosed(&isClosed)) && isClosed) {
parent = nullptr;
}
}
}
nsCOMPtr<nsIBrowserDOMWindow> browserDOMWin = mBrowserDOMWindow;
// If we haven't found a chrome window to open in, just use the most recently
// opened one.
if (!parent) {
parent = FindMostRecentOpenWindow();
if (!parent) {
return false;
}
nsCOMPtr<nsIDOMChromeWindow> rootChromeWin = do_QueryInterface(parent);
if (rootChromeWin) {
rootChromeWin->GetBrowserDOMWindow(getter_AddRefs(browserDOMWin));
}
}
int32_t openLocation =
nsWindowWatcher::GetWindowOpenLocation(parent, aChromeFlags, aCalledFromJS,
aPositionSpecified, aSizeSpecified);
MOZ_ASSERT(openLocation == nsIBrowserDOMWindow::OPEN_NEWTAB ||
openLocation == nsIBrowserDOMWindow::OPEN_NEWWINDOW);
// Opening new tabs is the easy case...
if (openLocation == nsIBrowserDOMWindow::OPEN_NEWTAB) {
NS_ENSURE_TRUE(browserDOMWin, false);
bool isPrivate;
nsCOMPtr<nsILoadContext> loadContext = GetLoadContext();
loadContext->GetUsePrivateBrowsing(&isPrivate);
nsCOMPtr<nsIOpenURIInFrameParams> params = new nsOpenURIInFrameParams();
params->SetReferrer(aBaseURI);
params->SetIsPrivate(isPrivate);
AutoUseNewTab aunt(newTab, aWindowIsNew, aURLToLoad);
nsCOMPtr<nsIFrameLoaderOwner> frameLoaderOwner;
browserDOMWin->OpenURIInFrame(nullptr, params,
openLocation,
nsIBrowserDOMWindow::OPEN_NEW,
getter_AddRefs(frameLoaderOwner));
if (!frameLoaderOwner) {
*aWindowIsNew = false;
}
aFrameScripts->SwapElements(newTab->mDelayedFrameScripts);
return true;
}
// WindowWatcher is going to expect a valid URI to open a window
// to. If it can't find one, it's going to attempt to figure one
// out on its own, which is problematic because it can't access
// the document for the remote browser we're opening. Luckily,
// TabChild has sent us a baseURI with which we can ensure that
// the URI we pass to WindowWatcher is valid.
nsCOMPtr<nsIURI> baseURI;
rv = NS_NewURI(getter_AddRefs(baseURI), aBaseURI);
NS_ENSURE_SUCCESS(rv, false);
nsCOMPtr<nsIURI> finalURI;
rv = NS_NewURI(getter_AddRefs(finalURI), NS_ConvertUTF16toUTF8(aURI).get(), baseURI);
NS_ENSURE_SUCCESS(rv, false);
nsAutoCString finalURIString;
finalURI->GetSpec(finalURIString);
nsCOMPtr<nsIDOMWindow> window;
AutoUseNewTab aunt(newTab, aWindowIsNew, aURLToLoad);
rv = pwwatch->OpenWindow2(parent, finalURIString.get(),
NS_ConvertUTF16toUTF8(aName).get(),
NS_ConvertUTF16toUTF8(aFeatures).get(), aCalledFromJS,
false, false, this, nullptr, getter_AddRefs(window));
NS_ENSURE_SUCCESS(rv, false);
nsCOMPtr<nsPIDOMWindow> pwindow = do_QueryInterface(window);
NS_ENSURE_TRUE(pwindow, false);
nsCOMPtr<nsIDocShell> windowDocShell = pwindow->GetDocShell();
NS_ENSURE_TRUE(windowDocShell, false);
nsCOMPtr<nsIDocShellTreeOwner> treeOwner;
windowDocShell->GetTreeOwner(getter_AddRefs(treeOwner));
nsCOMPtr<nsIXULWindow> xulWin = do_GetInterface(treeOwner);
NS_ENSURE_TRUE(xulWin, false);
nsCOMPtr<nsIXULBrowserWindow> xulBrowserWin;
xulWin->GetXULBrowserWindow(getter_AddRefs(xulBrowserWin));
NS_ENSURE_TRUE(xulBrowserWin, false);
nsCOMPtr<nsITabParent> newRemoteTab;
rv = xulBrowserWin->ForceInitialBrowserRemote(getter_AddRefs(newRemoteTab));
NS_ENSURE_SUCCESS(rv, false);
MOZ_ASSERT(TabParent::GetFrom(newRemoteTab) == newTab);
aFrameScripts->SwapElements(newTab->mDelayedFrameScripts);
return true;
}
TabParent* TabParent::sNextTabParent;
/* static */ TabParent*
TabParent::GetNextTabParent()
{
TabParent* result = sNextTabParent;
sNextTabParent = nullptr;
return result;
}
bool
TabParent::SendLoadRemoteScript(const nsString& aURL,
const bool& aRunInGlobalScope)
{
if (mCreatingWindow) {
mDelayedFrameScripts.AppendElement(FrameScriptInfo(aURL, aRunInGlobalScope));
return true;
}
MOZ_ASSERT(mDelayedFrameScripts.IsEmpty());
return PBrowserParent::SendLoadRemoteScript(aURL, aRunInGlobalScope);
}
bool
TabParent::InitBrowserConfiguration(const nsCString& aURI,
BrowserConfiguration& aConfiguration)
{
return ContentParent::GetBrowserConfiguration(aURI, aConfiguration);
}
void
TabParent::LoadURL(nsIURI* aURI)
{
MOZ_ASSERT(aURI);
if (mIsDestroyed) {
return;
}
nsCString spec;
aURI->GetSpec(spec);
if (mCreatingWindow) {
// Don't send the message if the child wants to load its own URL.
MOZ_ASSERT(mDelayedURL.IsEmpty());
mDelayedURL = spec;
return;
}
uint32_t appId = OwnOrContainingAppId();
if (mSendOfflineStatus && NS_IsAppOffline(appId)) {
// If the app is offline in the parent process
// pass that state to the child process as well
unused << SendAppOfflineStatus(appId, true);
}
mSendOfflineStatus = false;
// This object contains the configuration for this new app.
BrowserConfiguration configuration;
if (NS_WARN_IF(!InitBrowserConfiguration(spec, configuration))) {
return;
}
unused << SendLoadURL(spec, configuration);
// If this app is a packaged app then we can speed startup by sending over
// the file descriptor for the "application.zip" file that it will
// invariably request. Only do this once.
if (!mAppPackageFileDescriptorSent) {
mAppPackageFileDescriptorSent = true;
nsCOMPtr<mozIApplication> app = GetOwnOrContainingApp();
if (app) {
nsString manifestURL;
nsresult rv = app->GetManifestURL(manifestURL);
NS_ENSURE_SUCCESS_VOID(rv);
if (StringBeginsWith(manifestURL, NS_LITERAL_STRING("app:"))) {
nsString basePath;
rv = app->GetBasePath(basePath);
NS_ENSURE_SUCCESS_VOID(rv);
nsString appId;
rv = app->GetId(appId);
NS_ENSURE_SUCCESS_VOID(rv);
nsCOMPtr<nsIFile> packageFile;
rv = NS_NewLocalFile(basePath, false,
getter_AddRefs(packageFile));
NS_ENSURE_SUCCESS_VOID(rv);
rv = packageFile->Append(appId);
NS_ENSURE_SUCCESS_VOID(rv);
rv = packageFile->Append(NS_LITERAL_STRING("application.zip"));
NS_ENSURE_SUCCESS_VOID(rv);
nsString path;
rv = packageFile->GetPath(path);
NS_ENSURE_SUCCESS_VOID(rv);
nsRefPtr<OpenFileAndSendFDRunnable> openFileRunnable =
new OpenFileAndSendFDRunnable(path, this);
openFileRunnable->Dispatch();
}
}
}
}
void
TabParent::Show(const ScreenIntSize& size, bool aParentIsActive)
{
mDimensions = size;
if (mIsDestroyed) {
return;
}
TextureFactoryIdentifier textureFactoryIdentifier;
uint64_t layersId = 0;
bool success = false;
RenderFrameParent* renderFrame = nullptr;
// If TabParent is initialized by parent side then the RenderFrame must also
// be created here. If TabParent is initialized by child side,
// child side will create RenderFrame.
MOZ_ASSERT(!GetRenderFrame());
if (IsInitedByParent()) {
nsRefPtr<nsFrameLoader> frameLoader = GetFrameLoader();
if (frameLoader) {
renderFrame =
new RenderFrameParent(frameLoader,
&textureFactoryIdentifier,
&layersId,
&success);
MOZ_ASSERT(success);
AddTabParentToTable(layersId, this);
unused << SendPRenderFrameConstructor(renderFrame);
}
}
TryCacheDPIAndScale();
ShowInfo info(EmptyString(), false, false, mDPI, mDefaultScale.scale);
if (mFrameElement) {
nsAutoString name;
mFrameElement->GetAttr(kNameSpaceID_None, nsGkAtoms::name, name);
bool allowFullscreen =
mFrameElement->HasAttr(kNameSpaceID_None, nsGkAtoms::allowfullscreen) ||
mFrameElement->HasAttr(kNameSpaceID_None, nsGkAtoms::mozallowfullscreen);
bool isPrivate = mFrameElement->HasAttr(kNameSpaceID_None, nsGkAtoms::mozprivatebrowsing);
info = ShowInfo(name, allowFullscreen, isPrivate, mDPI, mDefaultScale.scale);
}
unused << SendShow(size, info, textureFactoryIdentifier,
layersId, renderFrame, aParentIsActive);
}
bool
TabParent::RecvSetDimensions(const uint32_t& aFlags,
const int32_t& aX, const int32_t& aY,
const int32_t& aCx, const int32_t& aCy)
{
MOZ_ASSERT(!(aFlags & nsIEmbeddingSiteWindow::DIM_FLAGS_SIZE_INNER),
"We should never see DIM_FLAGS_SIZE_INNER here!");
nsCOMPtr<nsIWidget> widget = GetWidget();
NS_ENSURE_TRUE(mFrameElement, true);
nsCOMPtr<nsIDocShell> docShell = mFrameElement->OwnerDoc()->GetDocShell();
NS_ENSURE_TRUE(docShell, true);
nsCOMPtr<nsIDocShellTreeOwner> treeOwner;
docShell->GetTreeOwner(getter_AddRefs(treeOwner));
nsCOMPtr<nsIBaseWindow> treeOwnerAsWin = do_QueryInterface(treeOwner);
NS_ENSURE_TRUE(treeOwnerAsWin, true);
if (aFlags & nsIEmbeddingSiteWindow::DIM_FLAGS_POSITION &&
aFlags & nsIEmbeddingSiteWindow::DIM_FLAGS_SIZE_OUTER) {
treeOwnerAsWin->SetPositionAndSize(aX, aY, aCx, aCy, true);
return true;
}
if (aFlags & nsIEmbeddingSiteWindow::DIM_FLAGS_POSITION) {
treeOwnerAsWin->SetPosition(aX, aY);
return true;
}
if (aFlags & nsIEmbeddingSiteWindow::DIM_FLAGS_SIZE_OUTER) {
treeOwnerAsWin->SetSize(aCx, aCy, true);
return true;
}
MOZ_ASSERT(false, "Unknown flags!");
return false;
}
nsresult
TabParent::UpdatePosition()
{
nsRefPtr<nsFrameLoader> frameLoader = GetFrameLoader();
if (!frameLoader) {
return NS_OK;
}
nsIntRect windowDims;
NS_ENSURE_SUCCESS(frameLoader->GetWindowDimensions(windowDims), NS_ERROR_FAILURE);
UpdateDimensions(windowDims, mDimensions);
return NS_OK;
}
void
TabParent::UpdateDimensions(const nsIntRect& rect, const ScreenIntSize& size)
{
if (mIsDestroyed) {
return;
}
hal::ScreenConfiguration config;
hal::GetCurrentScreenConfiguration(&config);
ScreenOrientation orientation = config.orientation();
LayoutDeviceIntPoint chromeOffset = -GetChildProcessOffset();
nsCOMPtr<nsIWidget> widget = GetWidget();
nsIntRect contentRect = rect;
if (widget) {
contentRect.x += widget->GetClientOffset().x;
contentRect.y += widget->GetClientOffset().y;
}
if (!mUpdatedDimensions || mOrientation != orientation ||
mDimensions != size || !mRect.IsEqualEdges(contentRect) ||
chromeOffset != mChromeOffset) {
mUpdatedDimensions = true;
mRect = contentRect;
mDimensions = size;
mOrientation = orientation;
mChromeOffset = chromeOffset;
unused << SendUpdateDimensions(mRect, mDimensions, mOrientation, mChromeOffset);
}
}
void
TabParent::UpdateFrame(const FrameMetrics& aFrameMetrics)
{
if (!mIsDestroyed) {
unused << SendUpdateFrame(aFrameMetrics);
}
}
void
TabParent::UIResolutionChanged()
{
if (!mIsDestroyed) {
// TryCacheDPIAndScale()'s cache is keyed off of
// mDPI being greater than 0, so this invalidates it.
mDPI = -1;
unused << SendUIResolutionChanged();
}
}
void
TabParent::ThemeChanged()
{
if (!mIsDestroyed) {
// The theme has changed, and any cached values we had sent down
// to the child have been invalidated. When this method is called,
// LookAndFeel should have the up-to-date values, which we now
// send down to the child. We do this for every remote tab for now,
// but bug 1156934 has been filed to do it once per content process.
unused << SendThemeChanged(LookAndFeel::GetIntCache());
}
}
void
TabParent::RequestFlingSnap(const FrameMetrics::ViewID& aScrollId,
const mozilla::CSSPoint& aDestination)
{
if (!mIsDestroyed) {
unused << SendRequestFlingSnap(aScrollId, aDestination);
}
}
void
TabParent::AcknowledgeScrollUpdate(const ViewID& aScrollId, const uint32_t& aScrollGeneration)
{
if (!mIsDestroyed) {
unused << SendAcknowledgeScrollUpdate(aScrollId, aScrollGeneration);
}
}
void TabParent::HandleDoubleTap(const CSSPoint& aPoint,
Modifiers aModifiers,
const ScrollableLayerGuid &aGuid)
{
if (!mIsDestroyed) {
unused << SendHandleDoubleTap(aPoint, aModifiers, aGuid);
}
}
void TabParent::HandleSingleTap(const CSSPoint& aPoint,
Modifiers aModifiers,
const ScrollableLayerGuid &aGuid)
{
if (!mIsDestroyed) {
unused << SendHandleSingleTap(aPoint, aModifiers, aGuid);
}
}
void TabParent::HandleLongTap(const CSSPoint& aPoint,
Modifiers aModifiers,
const ScrollableLayerGuid &aGuid,
uint64_t aInputBlockId)
{
if (!mIsDestroyed) {
unused << SendHandleLongTap(aPoint, aModifiers, aGuid, aInputBlockId);
}
}
void TabParent::NotifyAPZStateChange(ViewID aViewId,
APZStateChange aChange,
int aArg)
{
if (!mIsDestroyed) {
unused << SendNotifyAPZStateChange(aViewId, aChange, aArg);
}
}
void
TabParent::NotifyMouseScrollTestEvent(const ViewID& aScrollId, const nsString& aEvent)
{
if (!mIsDestroyed) {
unused << SendMouseScrollTestEvent(aScrollId, aEvent);
}
}
void
TabParent::Activate()
{
if (!mIsDestroyed) {
unused << SendActivate();
}
}
void
TabParent::Deactivate()
{
if (!mIsDestroyed) {
unused << SendDeactivate();
}
}
NS_IMETHODIMP
TabParent::Init(nsIDOMWindow *window)
{
return NS_OK;
}
NS_IMETHODIMP
TabParent::GetState(uint32_t *aState)
{
NS_ENSURE_ARG(aState);
NS_WARNING("SecurityState not valid here");
*aState = 0;
return NS_OK;
}
NS_IMETHODIMP
TabParent::SetDocShell(nsIDocShell *aDocShell)
{
NS_ENSURE_ARG(aDocShell);
NS_WARNING("No mDocShell member in TabParent so there is no docShell to set");
return NS_OK;
}
PDocumentRendererParent*
TabParent::AllocPDocumentRendererParent(const nsRect& documentRect,
const gfx::Matrix& transform,
const nsString& bgcolor,
const uint32_t& renderFlags,
const bool& flushLayout,
const nsIntSize& renderSize)
{
return new DocumentRendererParent();
}
bool
TabParent::DeallocPDocumentRendererParent(PDocumentRendererParent* actor)
{
delete actor;
return true;
}
PFilePickerParent*
TabParent::AllocPFilePickerParent(const nsString& aTitle, const int16_t& aMode)
{
return new FilePickerParent(aTitle, aMode);
}
bool
TabParent::DeallocPFilePickerParent(PFilePickerParent* actor)
{
delete actor;
return true;
}
auto
TabParent::AllocPIndexedDBPermissionRequestParent(const Principal& aPrincipal)
-> PIndexedDBPermissionRequestParent*
{
MOZ_ASSERT(NS_IsMainThread());
nsCOMPtr<nsIPrincipal> principal(aPrincipal);
if (!principal) {
return nullptr;
}
nsCOMPtr<nsIContentParent> manager = Manager();
if (manager->IsContentParent()) {
if (NS_WARN_IF(!AssertAppPrincipal(manager->AsContentParent(),
principal))) {
return nullptr;
}
} else {
MOZ_CRASH("Figure out security checks for bridged content!");
}
if (NS_WARN_IF(!mFrameElement)) {
return nullptr;
}
return
mozilla::dom::indexedDB::AllocPIndexedDBPermissionRequestParent(mFrameElement,
principal);
}
bool
TabParent::RecvPIndexedDBPermissionRequestConstructor(
PIndexedDBPermissionRequestParent* aActor,
const Principal& aPrincipal)
{
MOZ_ASSERT(NS_IsMainThread());
MOZ_ASSERT(aActor);
return
mozilla::dom::indexedDB::RecvPIndexedDBPermissionRequestConstructor(aActor);
}
bool
TabParent::DeallocPIndexedDBPermissionRequestParent(
PIndexedDBPermissionRequestParent* aActor)
{
MOZ_ASSERT(NS_IsMainThread());
MOZ_ASSERT(aActor);
return
mozilla::dom::indexedDB::DeallocPIndexedDBPermissionRequestParent(aActor);
}
void
TabParent::SendMouseEvent(const nsAString& aType, float aX, float aY,
int32_t aButton, int32_t aClickCount,
int32_t aModifiers, bool aIgnoreRootScrollFrame)
{
if (!mIsDestroyed) {
unused << PBrowserParent::SendMouseEvent(nsString(aType), aX, aY,
aButton, aClickCount,
aModifiers, aIgnoreRootScrollFrame);
}
}
void
TabParent::SendKeyEvent(const nsAString& aType,
int32_t aKeyCode,
int32_t aCharCode,
int32_t aModifiers,
bool aPreventDefault)
{
if (!mIsDestroyed) {
unused << PBrowserParent::SendKeyEvent(nsString(aType), aKeyCode, aCharCode,
aModifiers, aPreventDefault);
}
}
bool TabParent::SendRealMouseEvent(WidgetMouseEvent& event)
{
if (mIsDestroyed) {
return false;
}
event.refPoint += GetChildProcessOffset();
nsCOMPtr<nsIWidget> widget = GetWidget();
if (widget) {
// When we mouseenter the tab, the tab's cursor should
// become the current cursor. When we mouseexit, we stop.
if (NS_MOUSE_ENTER_WIDGET == event.message) {
mTabSetsCursor = true;
if (mCustomCursor) {
widget->SetCursor(mCustomCursor, mCustomCursorHotspotX, mCustomCursorHotspotY);
} else if (mCursor != nsCursor(-1)) {
widget->SetCursor(mCursor);
}
} else if (NS_MOUSE_EXIT_WIDGET == event.message) {
mTabSetsCursor = false;
}
}
if (NS_MOUSE_MOVE == event.message) {
return SendRealMouseMoveEvent(event);
}
return SendRealMouseButtonEvent(event);
}
LayoutDeviceToCSSScale
TabParent::GetLayoutDeviceToCSSScale()
{
nsCOMPtr<nsIContent> content = do_QueryInterface(mFrameElement);
nsIDocument* doc = (content ? content->OwnerDoc() : nullptr);
nsIPresShell* shell = (doc ? doc->GetShell() : nullptr);
nsPresContext* ctx = (shell ? shell->GetPresContext() : nullptr);
return LayoutDeviceToCSSScale(ctx
? (float)ctx->AppUnitsPerDevPixel() / nsPresContext::AppUnitsPerCSSPixel()
: 0.0f);
}
bool
TabParent::SendRealDragEvent(WidgetDragEvent& event, uint32_t aDragAction,
uint32_t aDropEffect)
{
if (mIsDestroyed) {
return false;
}
event.refPoint += GetChildProcessOffset();
return PBrowserParent::SendRealDragEvent(event, aDragAction, aDropEffect);
}
CSSPoint TabParent::AdjustTapToChildWidget(const CSSPoint& aPoint)
{
return aPoint + (LayoutDevicePoint(GetChildProcessOffset()) * GetLayoutDeviceToCSSScale());
}
bool TabParent::SendHandleSingleTap(const CSSPoint& aPoint, const Modifiers& aModifiers, const ScrollableLayerGuid& aGuid)
{
if (mIsDestroyed) {
return false;
}
return PBrowserParent::SendHandleSingleTap(AdjustTapToChildWidget(aPoint), aModifiers, aGuid);
}
bool TabParent::SendHandleLongTap(const CSSPoint& aPoint, const Modifiers& aModifiers, const ScrollableLayerGuid& aGuid, const uint64_t& aInputBlockId)
{
if (mIsDestroyed) {
return false;
}
return PBrowserParent::SendHandleLongTap(AdjustTapToChildWidget(aPoint), aModifiers, aGuid, aInputBlockId);
}
bool TabParent::SendHandleDoubleTap(const CSSPoint& aPoint, const Modifiers& aModifiers, const ScrollableLayerGuid& aGuid)
{
if (mIsDestroyed) {
return false;
}
return PBrowserParent::SendHandleDoubleTap(AdjustTapToChildWidget(aPoint), aModifiers, aGuid);
}
bool TabParent::SendMouseWheelEvent(WidgetWheelEvent& event)
{
if (mIsDestroyed) {
return false;
}
ScrollableLayerGuid guid;
uint64_t blockId;
ApzAwareEventRoutingToChild(&guid, &blockId, nullptr);
event.refPoint += GetChildProcessOffset();
return PBrowserParent::SendMouseWheelEvent(event, guid, blockId);
}
bool TabParent::RecvDispatchWheelEvent(const mozilla::WidgetWheelEvent& aEvent)
{
nsCOMPtr<nsIWidget> widget = GetWidget();
if (!widget) {
return true;
}
WidgetWheelEvent localEvent(aEvent);
localEvent.widget = widget;
localEvent.refPoint -= GetChildProcessOffset();
widget->DispatchAPZAwareEvent(&localEvent);
return true;
}
bool
TabParent::RecvDispatchMouseEvent(const mozilla::WidgetMouseEvent& aEvent)
{
nsCOMPtr<nsIWidget> widget = GetWidget();
if (!widget) {
return true;
}
WidgetMouseEvent localEvent(aEvent);
localEvent.widget = widget;
localEvent.refPoint -= GetChildProcessOffset();
widget->DispatchInputEvent(&localEvent);
return true;
}
bool
TabParent::RecvDispatchKeyboardEvent(const mozilla::WidgetKeyboardEvent& aEvent)
{
nsCOMPtr<nsIWidget> widget = GetWidget();
if (!widget) {
return true;
}
WidgetKeyboardEvent localEvent(aEvent);
localEvent.widget = widget;
localEvent.refPoint -= GetChildProcessOffset();
widget->DispatchInputEvent(&localEvent);
return true;
}
static void
DoCommandCallback(mozilla::Command aCommand, void* aData)
{
static_cast<InfallibleTArray<mozilla::CommandInt>*>(aData)->AppendElement(aCommand);
}
bool
TabParent::RecvRequestNativeKeyBindings(const WidgetKeyboardEvent& aEvent,
MaybeNativeKeyBinding* aBindings)
{
AutoInfallibleTArray<mozilla::CommandInt, 4> singleLine;
AutoInfallibleTArray<mozilla::CommandInt, 4> multiLine;
AutoInfallibleTArray<mozilla::CommandInt, 4> richText;
*aBindings = mozilla::void_t();
nsCOMPtr<nsIWidget> widget = GetWidget();
if (!widget) {
return true;
}
WidgetKeyboardEvent localEvent(aEvent);
if (NS_FAILED(widget->AttachNativeKeyEvent(localEvent))) {
return true;
}
widget->ExecuteNativeKeyBinding(nsIWidget::NativeKeyBindingsForSingleLineEditor,
localEvent, DoCommandCallback, &singleLine);
widget->ExecuteNativeKeyBinding(nsIWidget::NativeKeyBindingsForMultiLineEditor,
localEvent, DoCommandCallback, &multiLine);
widget->ExecuteNativeKeyBinding(nsIWidget::NativeKeyBindingsForRichTextEditor,
localEvent, DoCommandCallback, &richText);
if (!singleLine.IsEmpty() || !multiLine.IsEmpty() || !richText.IsEmpty()) {
*aBindings = NativeKeyBinding(singleLine, multiLine, richText);
}
return true;
}
class SynthesizedEventObserver : public nsIObserver
{
NS_DECL_ISUPPORTS
public:
SynthesizedEventObserver(TabParent* aTabParent, const uint64_t& aObserverId)
: mTabParent(aTabParent)
, mObserverId(aObserverId)
{
MOZ_ASSERT(mTabParent);
}
NS_IMETHODIMP Observe(nsISupports* aSubject,
const char* aTopic,
const char16_t* aData) override
{
if (!mTabParent) {
// We already sent the notification
return NS_OK;
}
if (!mTabParent->SendNativeSynthesisResponse(mObserverId, nsCString(aTopic))) {
NS_WARNING("Unable to send native event synthesization response!");
}
// Null out tabparent to indicate we already sent the response
mTabParent = nullptr;
return NS_OK;
}
private:
virtual ~SynthesizedEventObserver() { }
nsRefPtr<TabParent> mTabParent;
uint64_t mObserverId;
};
NS_IMPL_ISUPPORTS(SynthesizedEventObserver, nsIObserver)
class MOZ_STACK_CLASS AutoSynthesizedEventResponder
{
public:
AutoSynthesizedEventResponder(TabParent* aTabParent,
const uint64_t& aObserverId,
const char* aTopic)
: mObserver(new SynthesizedEventObserver(aTabParent, aObserverId))
, mTopic(aTopic)
{ }
~AutoSynthesizedEventResponder()
{
// This may be a no-op if the observer already sent a response.
mObserver->Observe(nullptr, mTopic, nullptr);
}
nsIObserver* GetObserver()
{
return mObserver;
}
private:
nsCOMPtr<nsIObserver> mObserver;
const char* mTopic;
};
bool
TabParent::RecvSynthesizeNativeKeyEvent(const int32_t& aNativeKeyboardLayout,
const int32_t& aNativeKeyCode,
const uint32_t& aModifierFlags,
const nsString& aCharacters,
const nsString& aUnmodifiedCharacters,
const uint64_t& aObserverId)
{
AutoSynthesizedEventResponder responder(this, aObserverId, "keyevent");
nsCOMPtr<nsIWidget> widget = GetWidget();
if (widget) {
widget->SynthesizeNativeKeyEvent(aNativeKeyboardLayout, aNativeKeyCode,
aModifierFlags, aCharacters, aUnmodifiedCharacters,
responder.GetObserver());
}
return true;
}
bool
TabParent::RecvSynthesizeNativeMouseEvent(const LayoutDeviceIntPoint& aPoint,
const uint32_t& aNativeMessage,
const uint32_t& aModifierFlags,
const uint64_t& aObserverId)
{
AutoSynthesizedEventResponder responder(this, aObserverId, "mouseevent");
nsCOMPtr<nsIWidget> widget = GetWidget();
if (widget) {
widget->SynthesizeNativeMouseEvent(aPoint, aNativeMessage, aModifierFlags,
responder.GetObserver());
}
return true;
}
bool
TabParent::RecvSynthesizeNativeMouseMove(const LayoutDeviceIntPoint& aPoint,
const uint64_t& aObserverId)
{
AutoSynthesizedEventResponder responder(this, aObserverId, "mousemove");
nsCOMPtr<nsIWidget> widget = GetWidget();
if (widget) {
widget->SynthesizeNativeMouseMove(aPoint, responder.GetObserver());
}
return true;
}
bool
TabParent::RecvSynthesizeNativeMouseScrollEvent(const LayoutDeviceIntPoint& aPoint,
const uint32_t& aNativeMessage,
const double& aDeltaX,
const double& aDeltaY,
const double& aDeltaZ,
const uint32_t& aModifierFlags,
const uint32_t& aAdditionalFlags,
const uint64_t& aObserverId)
{
AutoSynthesizedEventResponder responder(this, aObserverId, "mousescrollevent");
nsCOMPtr<nsIWidget> widget = GetWidget();
if (widget) {
widget->SynthesizeNativeMouseScrollEvent(aPoint, aNativeMessage,
aDeltaX, aDeltaY, aDeltaZ, aModifierFlags, aAdditionalFlags,
responder.GetObserver());
}
return true;
}
bool
TabParent::RecvSynthesizeNativeTouchPoint(const uint32_t& aPointerId,
const TouchPointerState& aPointerState,
const nsIntPoint& aPointerScreenPoint,
const double& aPointerPressure,
const uint32_t& aPointerOrientation,
const uint64_t& aObserverId)
{
AutoSynthesizedEventResponder responder(this, aObserverId, "touchpoint");
nsCOMPtr<nsIWidget> widget = GetWidget();
if (widget) {
widget->SynthesizeNativeTouchPoint(aPointerId, aPointerState, aPointerScreenPoint,
aPointerPressure, aPointerOrientation, responder.GetObserver());
}
return true;
}
bool
TabParent::RecvSynthesizeNativeTouchTap(const nsIntPoint& aPointerScreenPoint,
const bool& aLongTap,
const uint64_t& aObserverId)
{
AutoSynthesizedEventResponder responder(this, aObserverId, "touchtap");
nsCOMPtr<nsIWidget> widget = GetWidget();
if (widget) {
widget->SynthesizeNativeTouchTap(aPointerScreenPoint, aLongTap,
responder.GetObserver());
}
return true;
}
bool
TabParent::RecvClearNativeTouchSequence(const uint64_t& aObserverId)
{
AutoSynthesizedEventResponder responder(this, aObserverId, "cleartouch");
nsCOMPtr<nsIWidget> widget = GetWidget();
if (widget) {
widget->ClearNativeTouchSequence(responder.GetObserver());
}
return true;
}
bool TabParent::SendRealKeyEvent(WidgetKeyboardEvent& event)
{
if (mIsDestroyed) {
return false;
}
event.refPoint += GetChildProcessOffset();
MaybeNativeKeyBinding bindings;
bindings = void_t();
if (event.message == NS_KEY_PRESS) {
nsCOMPtr<nsIWidget> widget = GetWidget();
AutoInfallibleTArray<mozilla::CommandInt, 4> singleLine;
AutoInfallibleTArray<mozilla::CommandInt, 4> multiLine;
AutoInfallibleTArray<mozilla::CommandInt, 4> richText;
widget->ExecuteNativeKeyBinding(nsIWidget::NativeKeyBindingsForSingleLineEditor,
event, DoCommandCallback, &singleLine);
widget->ExecuteNativeKeyBinding(nsIWidget::NativeKeyBindingsForMultiLineEditor,
event, DoCommandCallback, &multiLine);
widget->ExecuteNativeKeyBinding(nsIWidget::NativeKeyBindingsForRichTextEditor,
event, DoCommandCallback, &richText);
if (!singleLine.IsEmpty() || !multiLine.IsEmpty() || !richText.IsEmpty()) {
bindings = NativeKeyBinding(singleLine, multiLine, richText);
}
}
return PBrowserParent::SendRealKeyEvent(event, bindings);
}
bool TabParent::SendRealTouchEvent(WidgetTouchEvent& event)
{
if (mIsDestroyed) {
return false;
}
// PresShell::HandleEventInternal adds touches on touch end/cancel. This
// confuses remote content and the panning and zooming logic into thinking
// that the added touches are part of the touchend/cancel, when actually
// they're not.
if (event.message == NS_TOUCH_END || event.message == NS_TOUCH_CANCEL) {
for (int i = event.touches.Length() - 1; i >= 0; i--) {
if (!event.touches[i]->mChanged) {
event.touches.RemoveElementAt(i);
}
}
}
ScrollableLayerGuid guid;
uint64_t blockId;
nsEventStatus apzResponse;
ApzAwareEventRoutingToChild(&guid, &blockId, &apzResponse);
if (mIsDestroyed) {
return false;
}
LayoutDeviceIntPoint offset = GetChildProcessOffset();
for (uint32_t i = 0; i < event.touches.Length(); i++) {
event.touches[i]->mRefPoint += offset;
}
return (event.message == NS_TOUCH_MOVE) ?
PBrowserParent::SendRealTouchMoveEvent(event, guid, blockId, apzResponse) :
PBrowserParent::SendRealTouchEvent(event, guid, blockId, apzResponse);
}
bool
TabParent::RecvSyncMessage(const nsString& aMessage,
const ClonedMessageData& aData,
InfallibleTArray<CpowEntry>&& aCpows,
const IPC::Principal& aPrincipal,
nsTArray<OwningSerializedStructuredCloneBuffer>* aRetVal)
{
// FIXME Permission check for TabParent in Content process
nsIPrincipal* principal = aPrincipal;
if (Manager()->IsContentParent()) {
ContentParent* parent = Manager()->AsContentParent();
if (!ContentParent::IgnoreIPCPrincipal() &&
parent && principal && !AssertAppPrincipal(parent, principal)) {
return false;
}
}
StructuredCloneData cloneData = ipc::UnpackClonedMessageDataForParent(aData);
CrossProcessCpowHolder cpows(Manager(), aCpows);
return ReceiveMessage(aMessage, true, &cloneData, &cpows, aPrincipal, aRetVal);
}
bool
TabParent::RecvRpcMessage(const nsString& aMessage,
const ClonedMessageData& aData,
InfallibleTArray<CpowEntry>&& aCpows,
const IPC::Principal& aPrincipal,
nsTArray<OwningSerializedStructuredCloneBuffer>* aRetVal)
{
// FIXME Permission check for TabParent in Content process
nsIPrincipal* principal = aPrincipal;
if (Manager()->IsContentParent()) {
ContentParent* parent = Manager()->AsContentParent();
if (!ContentParent::IgnoreIPCPrincipal() &&
parent && principal && !AssertAppPrincipal(parent, principal)) {
return false;
}
}
StructuredCloneData cloneData = ipc::UnpackClonedMessageDataForParent(aData);
CrossProcessCpowHolder cpows(Manager(), aCpows);
return ReceiveMessage(aMessage, true, &cloneData, &cpows, aPrincipal, aRetVal);
}
bool
TabParent::RecvAsyncMessage(const nsString& aMessage,
const ClonedMessageData& aData,
InfallibleTArray<CpowEntry>&& aCpows,
const IPC::Principal& aPrincipal)
{
// FIXME Permission check for TabParent in Content process
nsIPrincipal* principal = aPrincipal;
if (Manager()->IsContentParent()) {
ContentParent* parent = Manager()->AsContentParent();
if (!ContentParent::IgnoreIPCPrincipal() &&
parent && principal && !AssertAppPrincipal(parent, principal)) {
return false;
}
}
StructuredCloneData cloneData = ipc::UnpackClonedMessageDataForParent(aData);
CrossProcessCpowHolder cpows(Manager(), aCpows);
return ReceiveMessage(aMessage, false, &cloneData, &cpows, aPrincipal, nullptr);
}
bool
TabParent::RecvSetCursor(const uint32_t& aCursor, const bool& aForce)
{
mCursor = static_cast<nsCursor>(aCursor);
mCustomCursor = nullptr;
nsCOMPtr<nsIWidget> widget = GetWidget();
if (widget) {
if (aForce) {
widget->ClearCachedCursor();
}
if (mTabSetsCursor) {
widget->SetCursor(mCursor);
}
}
return true;
}
bool
TabParent::RecvSetCustomCursor(const nsCString& aCursorData,
const uint32_t& aWidth,
const uint32_t& aHeight,
const uint32_t& aStride,
const uint8_t& aFormat,
const uint32_t& aHotspotX,
const uint32_t& aHotspotY,
const bool& aForce)
{
mCursor = nsCursor(-1);
nsCOMPtr<nsIWidget> widget = GetWidget();
if (widget) {
if (aForce) {
widget->ClearCachedCursor();
}
if (mTabSetsCursor) {
const gfxIntSize size(aWidth, aHeight);
mozilla::RefPtr<gfx::DataSourceSurface> customCursor = new mozilla::gfx::SourceSurfaceRawData();
mozilla::gfx::SourceSurfaceRawData* raw = static_cast<mozilla::gfx::SourceSurfaceRawData*>(customCursor.get());
raw->InitWrappingData(
reinterpret_cast<uint8_t*>(const_cast<nsCString&>(aCursorData).BeginWriting()),
size, aStride, static_cast<mozilla::gfx::SurfaceFormat>(aFormat), false);
raw->GuaranteePersistance();
nsRefPtr<gfxDrawable> drawable = new gfxSurfaceDrawable(customCursor, size);
nsCOMPtr<imgIContainer> cursorImage(image::ImageOps::CreateFromDrawable(drawable));
widget->SetCursor(cursorImage, aHotspotX, aHotspotY);
mCustomCursor = cursorImage;
mCustomCursorHotspotX = aHotspotX;
mCustomCursorHotspotY = aHotspotY;
}
}
return true;
}
bool
TabParent::RecvSetBackgroundColor(const nscolor& aColor)
{
if (RenderFrameParent* frame = GetRenderFrame()) {
frame->SetBackgroundColor(aColor);
}
return true;
}
nsIXULBrowserWindow*
TabParent::GetXULBrowserWindow()
{
nsCOMPtr<nsIContent> frame = do_QueryInterface(mFrameElement);
if (!frame) {
return nullptr;
}
nsCOMPtr<nsIDocShell> docShell = frame->OwnerDoc()->GetDocShell();
if (!docShell) {
return nullptr;
}
nsCOMPtr<nsIDocShellTreeOwner> treeOwner;
docShell->GetTreeOwner(getter_AddRefs(treeOwner));
if (!treeOwner) {
return nullptr;
}
nsCOMPtr<nsIXULWindow> window = do_GetInterface(treeOwner);
if (!window) {
return nullptr;
}
nsCOMPtr<nsIXULBrowserWindow> xulBrowserWindow;
window->GetXULBrowserWindow(getter_AddRefs(xulBrowserWindow));
return xulBrowserWindow;
}
bool
TabParent::RecvSetStatus(const uint32_t& aType, const nsString& aStatus)
{
nsCOMPtr<nsIXULBrowserWindow> xulBrowserWindow = GetXULBrowserWindow();
if (!xulBrowserWindow) {
return true;
}
switch (aType) {
case nsIWebBrowserChrome::STATUS_SCRIPT:
xulBrowserWindow->SetJSStatus(aStatus);
break;
case nsIWebBrowserChrome::STATUS_LINK:
xulBrowserWindow->SetOverLink(aStatus, nullptr);
break;
}
return true;
}
bool
TabParent::RecvShowTooltip(const uint32_t& aX, const uint32_t& aY, const nsString& aTooltip)
{
nsCOMPtr<nsIXULBrowserWindow> xulBrowserWindow = GetXULBrowserWindow();
if (!xulBrowserWindow) {
return true;
}
xulBrowserWindow->ShowTooltip(aX, aY, aTooltip);
return true;
}
bool
TabParent::RecvHideTooltip()
{
nsCOMPtr<nsIXULBrowserWindow> xulBrowserWindow = GetXULBrowserWindow();
if (!xulBrowserWindow) {
return true;
}
xulBrowserWindow->HideTooltip();
return true;
}
bool
TabParent::RecvNotifyIMEFocus(const bool& aFocus,
nsIMEUpdatePreference* aPreference,
uint32_t* aSeqno)
{
*aSeqno = mIMESeqno;
nsCOMPtr<nsIWidget> widget = GetWidget();
if (!widget) {
*aPreference = nsIMEUpdatePreference();
return true;
}
mIMETabParent = aFocus ? this : nullptr;
mIMESelectionAnchor = 0;
mIMESelectionFocus = 0;
widget->NotifyIME(IMENotification(aFocus ? NOTIFY_IME_OF_FOCUS :
NOTIFY_IME_OF_BLUR));
if (aFocus) {
*aPreference = widget->GetIMEUpdatePreference();
} else {
mIMECacheText.Truncate(0);
}
return true;
}
bool
TabParent::RecvNotifyIMETextChange(const uint32_t& aStart,
const uint32_t& aEnd,
const uint32_t& aNewEnd,
const bool& aCausedByComposition)
{
nsCOMPtr<nsIWidget> widget = GetWidget();
if (!widget)
return true;
#ifdef DEBUG
nsIMEUpdatePreference updatePreference = widget->GetIMEUpdatePreference();
NS_ASSERTION(updatePreference.WantTextChange(),
"Don't call Send/RecvNotifyIMETextChange without NOTIFY_TEXT_CHANGE");
MOZ_ASSERT(!aCausedByComposition ||
updatePreference.WantChangesCausedByComposition(),
"The widget doesn't want text change notification caused by composition");
#endif
IMENotification notification(NOTIFY_IME_OF_TEXT_CHANGE);
notification.mTextChangeData.mStartOffset = aStart;
notification.mTextChangeData.mOldEndOffset = aEnd;
notification.mTextChangeData.mNewEndOffset = aNewEnd;
notification.mTextChangeData.mCausedByComposition = aCausedByComposition;
widget->NotifyIME(notification);
return true;
}
bool
TabParent::RecvNotifyIMESelectedCompositionRect(
const uint32_t& aOffset,
InfallibleTArray<LayoutDeviceIntRect>&& aRects,
const uint32_t& aCaretOffset,
const LayoutDeviceIntRect& aCaretRect)
{
// add rect to cache for another query
mIMECompositionRectOffset = aOffset;
mIMECompositionRects = aRects;
mIMECaretOffset = aCaretOffset;
mIMECaretRect = aCaretRect;
nsCOMPtr<nsIWidget> widget = GetWidget();
if (!widget) {
return true;
}
widget->NotifyIME(IMENotification(NOTIFY_IME_OF_COMPOSITION_UPDATE));
return true;
}
bool
TabParent::RecvNotifyIMESelection(const uint32_t& aSeqno,
const uint32_t& aAnchor,
const uint32_t& aFocus,
const mozilla::WritingMode& aWritingMode,
const bool& aCausedByComposition)
{
nsCOMPtr<nsIWidget> widget = GetWidget();
if (!widget)
return true;
if (aSeqno == mIMESeqno) {
mIMESelectionAnchor = aAnchor;
mIMESelectionFocus = aFocus;
mWritingMode = aWritingMode;
const nsIMEUpdatePreference updatePreference =
widget->GetIMEUpdatePreference();
if (updatePreference.WantSelectionChange() &&
(updatePreference.WantChangesCausedByComposition() ||
!aCausedByComposition)) {
IMENotification notification(NOTIFY_IME_OF_SELECTION_CHANGE);
notification.mSelectionChangeData.mOffset =
std::min(mIMESelectionAnchor, mIMESelectionFocus);
notification.mSelectionChangeData.mLength =
mIMESelectionAnchor > mIMESelectionFocus ?
mIMESelectionAnchor - mIMESelectionFocus :
mIMESelectionFocus - mIMESelectionAnchor;
notification.mSelectionChangeData.mReversed =
mIMESelectionFocus < mIMESelectionAnchor;
notification.mSelectionChangeData.SetWritingMode(mWritingMode);
notification.mSelectionChangeData.mCausedByComposition =
aCausedByComposition;
widget->NotifyIME(notification);
}
}
return true;
}
bool
TabParent::RecvNotifyIMETextHint(const nsString& aText)
{
// Replace our cache with new text
mIMECacheText = aText;
return true;
}
bool
TabParent::RecvNotifyIMEMouseButtonEvent(
const IMENotification& aIMENotification,
bool* aConsumedByIME)
{
nsCOMPtr<nsIWidget> widget = GetWidget();
if (!widget) {
*aConsumedByIME = false;
return true;
}
nsresult rv = widget->NotifyIME(aIMENotification);
*aConsumedByIME = rv == NS_SUCCESS_EVENT_CONSUMED;
return true;
}
bool
TabParent::RecvNotifyIMEEditorRect(const LayoutDeviceIntRect& aRect)
{
mIMEEditorRect = aRect;
return true;
}
bool
TabParent::RecvNotifyIMEPositionChange(
const LayoutDeviceIntRect& aEditorRect,
InfallibleTArray<LayoutDeviceIntRect>&& aCompositionRects,
const LayoutDeviceIntRect& aCaretRect)
{
mIMEEditorRect = aEditorRect;
mIMECompositionRects = aCompositionRects;
mIMECaretRect = aCaretRect;
nsCOMPtr<nsIWidget> widget = GetWidget();
if (!widget) {
return true;
}
const nsIMEUpdatePreference updatePreference =
widget->GetIMEUpdatePreference();
if (updatePreference.WantPositionChanged()) {
widget->NotifyIME(IMENotification(NOTIFY_IME_OF_POSITION_CHANGE));
}
return true;
}
bool
TabParent::RecvRequestFocus(const bool& aCanRaise)
{
nsCOMPtr<nsIFocusManager> fm = nsFocusManager::GetFocusManager();
if (!fm) {
return true;
}
nsCOMPtr<nsIContent> content = do_QueryInterface(mFrameElement);
if (!content || !content->OwnerDoc()) {
return true;
}
uint32_t flags = nsIFocusManager::FLAG_NOSCROLL;
if (aCanRaise)
flags |= nsIFocusManager::FLAG_RAISE;
nsCOMPtr<nsIDOMElement> node = do_QueryInterface(mFrameElement);
fm->SetFocus(node, flags);
return true;
}
bool
TabParent::RecvEnableDisableCommands(const nsString& aAction,
nsTArray<nsCString>&& aEnabledCommands,
nsTArray<nsCString>&& aDisabledCommands)
{
nsCOMPtr<nsIRemoteBrowser> remoteBrowser = do_QueryInterface(mFrameElement);
if (remoteBrowser) {
nsAutoArrayPtr<const char*> enabledCommands, disabledCommands;
if (aEnabledCommands.Length()) {
enabledCommands = new const char* [aEnabledCommands.Length()];
for (uint32_t c = 0; c < aEnabledCommands.Length(); c++) {
enabledCommands[c] = aEnabledCommands[c].get();
}
}
if (aDisabledCommands.Length()) {
disabledCommands = new const char* [aDisabledCommands.Length()];
for (uint32_t c = 0; c < aDisabledCommands.Length(); c++) {
disabledCommands[c] = aDisabledCommands[c].get();
}
}
remoteBrowser->EnableDisableCommands(aAction,
aEnabledCommands.Length(), enabledCommands,
aDisabledCommands.Length(), disabledCommands);
}
return true;
}
bool
TabParent::RecvGetTabOffset(LayoutDeviceIntPoint* aPoint)
{
*aPoint = GetChildProcessOffset();
return true;
}
NS_IMETHODIMP
TabParent::GetChildProcessOffset(int32_t* aOutCssX, int32_t* aOutCssY)
{
NS_ENSURE_ARG(aOutCssX);
NS_ENSURE_ARG(aOutCssY);
CSSPoint offset = LayoutDevicePoint(GetChildProcessOffset())
* GetLayoutDeviceToCSSScale();
*aOutCssX = offset.x;
*aOutCssY = offset.y;
return NS_OK;
}
LayoutDeviceIntPoint
TabParent::GetChildProcessOffset()
{
// The "toplevel widget" in child processes is always at position
// 0,0. Map the event coordinates to match that.
LayoutDeviceIntPoint offset(0, 0);
nsRefPtr<nsFrameLoader> frameLoader = GetFrameLoader();
if (!frameLoader) {
return offset;
}
nsIFrame* targetFrame = frameLoader->GetPrimaryFrameOfOwningContent();
if (!targetFrame) {
return offset;
}
// Find out how far we're offset from the nearest widget.
nsCOMPtr<nsIWidget> widget = GetWidget();
if (!widget) {
return offset;
}
nsPoint pt = nsLayoutUtils::GetEventCoordinatesRelativeTo(widget,
LayoutDeviceIntPoint(0, 0),
targetFrame);
return LayoutDeviceIntPoint::FromAppUnitsToNearest(
pt, targetFrame->PresContext()->AppUnitsPerDevPixel());
}
bool
TabParent::RecvReplyKeyEvent(const WidgetKeyboardEvent& event)
{
NS_ENSURE_TRUE(mFrameElement, true);
WidgetKeyboardEvent localEvent(event);
// Set mNoCrossProcessBoundaryForwarding to avoid this event from
// being infinitely redispatched and forwarded to the child again.
localEvent.mFlags.mNoCrossProcessBoundaryForwarding = true;
// Here we convert the WidgetEvent that we received to an nsIDOMEvent
// to be able to dispatch it to the <browser> element as the target element.
nsIDocument* doc = mFrameElement->OwnerDoc();
nsIPresShell* presShell = doc->GetShell();
NS_ENSURE_TRUE(presShell, true);
nsPresContext* presContext = presShell->GetPresContext();
NS_ENSURE_TRUE(presContext, true);
EventDispatcher::Dispatch(mFrameElement, presContext, &localEvent);
return true;
}
bool
TabParent::RecvDispatchAfterKeyboardEvent(const WidgetKeyboardEvent& aEvent)
{
NS_ENSURE_TRUE(mFrameElement, true);
WidgetKeyboardEvent localEvent(aEvent);
localEvent.widget = GetWidget();
nsIDocument* doc = mFrameElement->OwnerDoc();
nsCOMPtr<nsIPresShell> presShell = doc->GetShell();
NS_ENSURE_TRUE(presShell, true);
if (mFrameElement &&
PresShell::BeforeAfterKeyboardEventEnabled() &&
localEvent.message != NS_KEY_PRESS) {
presShell->DispatchAfterKeyboardEvent(mFrameElement, localEvent,
aEvent.mFlags.mDefaultPrevented);
}
return true;
}
/**
* Try to answer query event using cached text.
*
* For NS_QUERY_SELECTED_TEXT, fail if the cache doesn't contain the whole
* selected range. (This shouldn't happen because PuppetWidget should have
* already sent the whole selection.)
*
* For NS_QUERY_TEXT_CONTENT, fail only if the cache doesn't overlap with
* the queried range. Note the difference from above. We use
* this behavior because a normal NS_QUERY_TEXT_CONTENT event is allowed to
* have out-of-bounds offsets, so that widget can request content without
* knowing the exact length of text. It's up to widget to handle cases when
* the returned offset/length are different from the queried offset/length.
*
* For NS_QUERY_TEXT_RECT, fail if cached offset/length aren't equals to input.
* Cocoa widget always queries selected offset, so it works on it.
*
* For NS_QUERY_CARET_RECT, fail if cached offset isn't equals to input
*
* For NS_QUERY_EDITOR_RECT, always success
*/
bool
TabParent::HandleQueryContentEvent(WidgetQueryContentEvent& aEvent)
{
aEvent.mSucceeded = false;
aEvent.mWasAsync = false;
aEvent.mReply.mFocusedWidget = nsCOMPtr<nsIWidget>(GetWidget()).get();
switch (aEvent.message)
{
case NS_QUERY_SELECTED_TEXT:
{
aEvent.mReply.mOffset = std::min(mIMESelectionAnchor, mIMESelectionFocus);
if (mIMESelectionAnchor == mIMESelectionFocus) {
aEvent.mReply.mString.Truncate(0);
} else {
if (mIMESelectionAnchor > mIMECacheText.Length() ||
mIMESelectionFocus > mIMECacheText.Length()) {
break;
}
uint32_t selLen = mIMESelectionAnchor > mIMESelectionFocus ?
mIMESelectionAnchor - mIMESelectionFocus :
mIMESelectionFocus - mIMESelectionAnchor;
aEvent.mReply.mString = Substring(mIMECacheText,
aEvent.mReply.mOffset,
selLen);
}
aEvent.mReply.mReversed = mIMESelectionFocus < mIMESelectionAnchor;
aEvent.mReply.mHasSelection = true;
aEvent.mReply.mWritingMode = mWritingMode;
aEvent.mSucceeded = true;
}
break;
case NS_QUERY_TEXT_CONTENT:
{
uint32_t inputOffset = aEvent.mInput.mOffset,
inputEnd = inputOffset + aEvent.mInput.mLength;
if (inputEnd > mIMECacheText.Length()) {
inputEnd = mIMECacheText.Length();
}
if (inputEnd < inputOffset) {
break;
}
aEvent.mReply.mOffset = inputOffset;
aEvent.mReply.mString = Substring(mIMECacheText,
inputOffset,
inputEnd - inputOffset);
aEvent.mSucceeded = true;
}
break;
case NS_QUERY_TEXT_RECT:
{
if (aEvent.mInput.mOffset < mIMECompositionRectOffset ||
(aEvent.mInput.mOffset + aEvent.mInput.mLength >
mIMECompositionRectOffset + mIMECompositionRects.Length())) {
// XXX
// we doesn't have cache for this request.
break;
}
uint32_t baseOffset = aEvent.mInput.mOffset - mIMECompositionRectOffset;
uint32_t endOffset = baseOffset + aEvent.mInput.mLength;
aEvent.mReply.mRect.SetEmpty();
for (uint32_t i = baseOffset; i < endOffset; i++) {
aEvent.mReply.mRect =
aEvent.mReply.mRect.Union(mIMECompositionRects[i]);
}
if (aEvent.mInput.mOffset < mIMECacheText.Length()) {
aEvent.mReply.mString =
Substring(mIMECacheText, aEvent.mInput.mOffset,
mIMECacheText.Length() >= aEvent.mInput.EndOffset() ?
aEvent.mInput.mLength : UINT32_MAX);
} else {
aEvent.mReply.mString.Truncate();
}
aEvent.mReply.mOffset = aEvent.mInput.mOffset;
aEvent.mReply.mRect = aEvent.mReply.mRect - GetChildProcessOffset();
aEvent.mReply.mWritingMode = mWritingMode;
aEvent.mSucceeded = true;
}
break;
case NS_QUERY_CARET_RECT:
{
if (aEvent.mInput.mOffset != mIMECaretOffset) {
break;
}
aEvent.mReply.mOffset = mIMECaretOffset;
aEvent.mReply.mRect = mIMECaretRect - GetChildProcessOffset();
aEvent.mSucceeded = true;
}
break;
case NS_QUERY_EDITOR_RECT:
{
aEvent.mReply.mRect = mIMEEditorRect - GetChildProcessOffset();
aEvent.mSucceeded = true;
}
break;
}
return true;
}
bool
TabParent::SendCompositionEvent(WidgetCompositionEvent& event)
{
if (mIsDestroyed) {
return false;
}
if (event.CausesDOMTextEvent()) {
return SendCompositionChangeEvent(event);
}
mIMEComposing = !event.CausesDOMCompositionEndEvent();
mIMECompositionStart = std::min(mIMESelectionAnchor, mIMESelectionFocus);
if (mIMECompositionEnding) {
mIMEEventCountAfterEnding++;
return true;
}
event.mSeqno = ++mIMESeqno;
return PBrowserParent::SendCompositionEvent(event);
}
/**
* During REQUEST_TO_COMMIT_COMPOSITION or REQUEST_TO_CANCEL_COMPOSITION,
* widget usually sends a NS_COMPOSITION_CHANGE event to finalize or
* clear the composition, respectively
*
* Because the event will not reach content in time, we intercept it
* here and pass the text as the EndIMEComposition return value
*/
bool
TabParent::SendCompositionChangeEvent(WidgetCompositionEvent& event)
{
if (mIMECompositionEnding) {
mIMECompositionText = event.mData;
mIMEEventCountAfterEnding++;
return true;
}
// We must be able to simulate the selection because
// we might not receive selection updates in time
if (!mIMEComposing) {
mIMECompositionStart = std::min(mIMESelectionAnchor, mIMESelectionFocus);
}
mIMESelectionAnchor = mIMESelectionFocus =
mIMECompositionStart + event.mData.Length();
mIMEComposing = !event.CausesDOMCompositionEndEvent();
event.mSeqno = ++mIMESeqno;
return PBrowserParent::SendCompositionEvent(event);
}
bool
TabParent::SendSelectionEvent(WidgetSelectionEvent& event)
{
if (mIsDestroyed) {
return false;
}
mIMESelectionAnchor = event.mOffset + (event.mReversed ? event.mLength : 0);
mIMESelectionFocus = event.mOffset + (!event.mReversed ? event.mLength : 0);
event.mSeqno = ++mIMESeqno;
return PBrowserParent::SendSelectionEvent(event);
}
/*static*/ TabParent*
TabParent::GetFrom(nsFrameLoader* aFrameLoader)
{
if (!aFrameLoader) {
return nullptr;
}
PBrowserParent* remoteBrowser = aFrameLoader->GetRemoteBrowser();
return static_cast<TabParent*>(remoteBrowser);
}
/*static*/ TabParent*
TabParent::GetFrom(nsIFrameLoader* aFrameLoader)
{
if (!aFrameLoader)
return nullptr;
return GetFrom(static_cast<nsFrameLoader*>(aFrameLoader));
}
/*static*/ TabParent*
TabParent::GetFrom(nsITabParent* aTabParent)
{
return static_cast<TabParent*>(aTabParent);
}
/*static*/ TabParent*
TabParent::GetFrom(PBrowserParent* aTabParent)
{
return static_cast<TabParent*>(aTabParent);
}
/*static*/ TabParent*
TabParent::GetFrom(nsIContent* aContent)
{
nsCOMPtr<nsIFrameLoaderOwner> loaderOwner = do_QueryInterface(aContent);
if (!loaderOwner) {
return nullptr;
}
nsRefPtr<nsFrameLoader> frameLoader = loaderOwner->GetFrameLoader();
return GetFrom(frameLoader);
}
/*static*/ TabId
TabParent::GetTabIdFrom(nsIDocShell *docShell)
{
nsCOMPtr<nsITabChild> tabChild(TabChild::GetFrom(docShell));
if (tabChild) {
return static_cast<TabChild*>(tabChild.get())->GetTabId();
}
return TabId(0);
}
RenderFrameParent*
TabParent::GetRenderFrame()
{
if (ManagedPRenderFrameParent().IsEmpty()) {
return nullptr;
}
return static_cast<RenderFrameParent*>(ManagedPRenderFrameParent()[0]);
}
bool
TabParent::RecvEndIMEComposition(const bool& aCancel,
bool* aNoCompositionEvent,
nsString* aComposition)
{
nsCOMPtr<nsIWidget> widget = GetWidget();
if (!widget)
return true;
mIMECompositionEnding = true;
mIMEEventCountAfterEnding = 0;
widget->NotifyIME(IMENotification(aCancel ? REQUEST_TO_CANCEL_COMPOSITION :
REQUEST_TO_COMMIT_COMPOSITION));
mIMECompositionEnding = false;
*aNoCompositionEvent = !mIMEEventCountAfterEnding;
*aComposition = mIMECompositionText;
mIMECompositionText.Truncate(0);
return true;
}
bool
TabParent::RecvStartPluginIME(const WidgetKeyboardEvent& aKeyboardEvent,
const int32_t& aPanelX, const int32_t& aPanelY,
nsString* aCommitted)
{
nsCOMPtr<nsIWidget> widget = GetWidget();
if (!widget) {
return true;
}
widget->StartPluginIME(aKeyboardEvent,
(int32_t&)aPanelX,
(int32_t&)aPanelY,
*aCommitted);
return true;
}
bool
TabParent::RecvSetPluginFocused(const bool& aFocused)
{
nsCOMPtr<nsIWidget> widget = GetWidget();
if (!widget) {
return true;
}
widget->SetPluginFocused((bool&)aFocused);
return true;
}
bool
TabParent::RecvGetInputContext(int32_t* aIMEEnabled,
int32_t* aIMEOpen,
intptr_t* aNativeIMEContext)
{
nsCOMPtr<nsIWidget> widget = GetWidget();
if (!widget) {
*aIMEEnabled = IMEState::DISABLED;
*aIMEOpen = IMEState::OPEN_STATE_NOT_SUPPORTED;
*aNativeIMEContext = 0;
return true;
}
InputContext context = widget->GetInputContext();
*aIMEEnabled = static_cast<int32_t>(context.mIMEState.mEnabled);
*aIMEOpen = static_cast<int32_t>(context.mIMEState.mOpen);
*aNativeIMEContext = reinterpret_cast<intptr_t>(context.mNativeIMEContext);
return true;
}
bool
TabParent::RecvSetInputContext(const int32_t& aIMEEnabled,
const int32_t& aIMEOpen,
const nsString& aType,
const nsString& aInputmode,
const nsString& aActionHint,
const int32_t& aCause,
const int32_t& aFocusChange)
{
nsCOMPtr<nsIWidget> widget = GetWidget();
if (!widget || !AllowContentIME()) {
return true;
}
InputContext oldContext = widget->GetInputContext();
// Ignore if current widget IME setting is not DISABLED and didn't come
// from remote content. Chrome content may have taken over.
if (oldContext.mIMEState.mEnabled != IMEState::DISABLED &&
oldContext.IsOriginMainProcess()) {
return true;
}
// mIMETabParent (which is actually static) tracks which if any TabParent has IMEFocus
// When the input mode is set to anything but IMEState::DISABLED,
// mIMETabParent should be set to this
mIMETabParent =
aIMEEnabled != static_cast<int32_t>(IMEState::DISABLED) ? this : nullptr;
InputContext context;
context.mIMEState.mEnabled = static_cast<IMEState::Enabled>(aIMEEnabled);
context.mIMEState.mOpen = static_cast<IMEState::Open>(aIMEOpen);
context.mHTMLInputType.Assign(aType);
context.mHTMLInputInputmode.Assign(aInputmode);
context.mActionHint.Assign(aActionHint);
context.mOrigin = InputContext::ORIGIN_CONTENT;
InputContextAction action(
static_cast<InputContextAction::Cause>(aCause),
static_cast<InputContextAction::FocusChange>(aFocusChange));
widget->SetInputContext(context, action);
nsCOMPtr<nsIObserverService> observerService = mozilla::services::GetObserverService();
if (!observerService)
return true;
nsAutoString state;
state.AppendInt(aIMEEnabled);
observerService->NotifyObservers(nullptr, "ime-enabled-state-changed", state.get());
return true;
}
bool
TabParent::RecvIsParentWindowMainWidgetVisible(bool* aIsVisible)
{
nsCOMPtr<nsIContent> frame = do_QueryInterface(mFrameElement);
if (!frame)
return true;
nsCOMPtr<nsIDOMWindowUtils> windowUtils =
do_QueryInterface(frame->OwnerDoc()->GetWindow());
nsresult rv = windowUtils->GetIsParentWindowMainWidgetVisible(aIsVisible);
return NS_SUCCEEDED(rv);
}
bool
TabParent::RecvGetDPI(float* aValue)
{
TryCacheDPIAndScale();
MOZ_ASSERT(mDPI > 0,
"Must not ask for DPI before OwnerElement is received!");
*aValue = mDPI;
return true;
}
bool
TabParent::RecvGetDefaultScale(double* aValue)
{
TryCacheDPIAndScale();
MOZ_ASSERT(mDefaultScale.scale > 0,
"Must not ask for scale before OwnerElement is received!");
*aValue = mDefaultScale.scale;
return true;
}
bool
TabParent::RecvGetMaxTouchPoints(uint32_t* aTouchPoints)
{
nsCOMPtr<nsIWidget> widget = GetWidget();
if (widget) {
*aTouchPoints = widget->GetMaxTouchPoints();
} else {
*aTouchPoints = 0;
}
return true;
}
bool
TabParent::RecvGetWidgetNativeData(WindowsHandle* aValue)
{
*aValue = 0;
nsCOMPtr<nsIContent> content = do_QueryInterface(mFrameElement);
if (content) {
nsIPresShell* shell = content->OwnerDoc()->GetShell();
if (shell) {
nsViewManager* vm = shell->GetViewManager();
nsCOMPtr<nsIWidget> widget;
vm->GetRootWidget(getter_AddRefs(widget));
if (widget) {
*aValue = reinterpret_cast<WindowsHandle>(
widget->GetNativeData(NS_NATIVE_SHAREABLE_WINDOW));
}
}
}
return true;
}
bool
TabParent::ReceiveMessage(const nsString& aMessage,
bool aSync,
const StructuredCloneData* aCloneData,
CpowHolder* aCpows,
nsIPrincipal* aPrincipal,
nsTArray<OwningSerializedStructuredCloneBuffer>* aRetVal)
{
nsRefPtr<nsFrameLoader> frameLoader = GetFrameLoader(true);
if (frameLoader && frameLoader->GetFrameMessageManager()) {
nsRefPtr<nsFrameMessageManager> manager =
frameLoader->GetFrameMessageManager();
manager->ReceiveMessage(mFrameElement,
frameLoader,
aMessage,
aSync,
aCloneData,
aCpows,
aPrincipal,
aRetVal);
}
return true;
}
// nsIAuthPromptProvider
// This method is largely copied from nsDocShell::GetAuthPrompt
NS_IMETHODIMP
TabParent::GetAuthPrompt(uint32_t aPromptReason, const nsIID& iid,
void** aResult)
{
// we're either allowing auth, or it's a proxy request
nsresult rv;
nsCOMPtr<nsIPromptFactory> wwatch =
do_GetService(NS_WINDOWWATCHER_CONTRACTID, &rv);
NS_ENSURE_SUCCESS(rv, rv);
nsCOMPtr<nsIDOMWindow> window;
nsCOMPtr<nsIContent> frame = do_QueryInterface(mFrameElement);
if (frame)
window = do_QueryInterface(frame->OwnerDoc()->GetWindow());
// Get an auth prompter for our window so that the parenting
// of the dialogs works as it should when using tabs.
nsCOMPtr<nsISupports> prompt;
rv = wwatch->GetPrompt(window, iid, getter_AddRefs(prompt));
NS_ENSURE_SUCCESS(rv, rv);
nsCOMPtr<nsILoginManagerPrompter> prompter = do_QueryInterface(prompt);
if (prompter) {
nsCOMPtr<nsIDOMElement> browser = do_QueryInterface(mFrameElement);
prompter->SetE10sData(browser, nullptr);
}
*aResult = prompt.forget().take();
return NS_OK;
}
PColorPickerParent*
TabParent::AllocPColorPickerParent(const nsString& aTitle,
const nsString& aInitialColor)
{
return new ColorPickerParent(aTitle, aInitialColor);
}
bool
TabParent::DeallocPColorPickerParent(PColorPickerParent* actor)
{
delete actor;
return true;
}
PRenderFrameParent*
TabParent::AllocPRenderFrameParent()
{
MOZ_ASSERT(ManagedPRenderFrameParent().IsEmpty());
nsRefPtr<nsFrameLoader> frameLoader = GetFrameLoader();
TextureFactoryIdentifier textureFactoryIdentifier;
uint64_t layersId = 0;
bool success = false;
if(frameLoader) {
PRenderFrameParent* renderFrame =
new RenderFrameParent(frameLoader,
&textureFactoryIdentifier,
&layersId,
&success);
MOZ_ASSERT(success);
AddTabParentToTable(layersId, this);
return renderFrame;
} else {
return nullptr;
}
}
bool
TabParent::DeallocPRenderFrameParent(PRenderFrameParent* aFrame)
{
delete aFrame;
return true;
}
bool
TabParent::RecvGetRenderFrameInfo(PRenderFrameParent* aRenderFrame,
TextureFactoryIdentifier* aTextureFactoryIdentifier,
uint64_t* aLayersId)
{
RenderFrameParent* renderFrame = static_cast<RenderFrameParent*>(aRenderFrame);
renderFrame->GetTextureFactoryIdentifier(aTextureFactoryIdentifier);
*aLayersId = renderFrame->GetLayersId();
if (mNeedLayerTreeReadyNotification) {
RequestNotifyLayerTreeReady();
mNeedLayerTreeReadyNotification = false;
}
return true;
}
bool
TabParent::AllowContentIME()
{
nsFocusManager* fm = nsFocusManager::GetFocusManager();
NS_ENSURE_TRUE(fm, false);
nsCOMPtr<nsIContent> focusedContent = fm->GetFocusedContent();
if (focusedContent && focusedContent->IsEditable())
return false;
return true;
}
already_AddRefed<nsFrameLoader>
TabParent::GetFrameLoader(bool aUseCachedFrameLoaderAfterDestroy) const
{
if (mIsDestroyed && !aUseCachedFrameLoaderAfterDestroy) {
return nullptr;
}
if (mFrameLoader) {
nsRefPtr<nsFrameLoader> fl = mFrameLoader;
return fl.forget();
}
nsCOMPtr<nsIFrameLoaderOwner> frameLoaderOwner = do_QueryInterface(mFrameElement);
return frameLoaderOwner ? frameLoaderOwner->GetFrameLoader() : nullptr;
}
void
TabParent::TryCacheDPIAndScale()
{
if (mDPI > 0) {
return;
}
nsCOMPtr<nsIWidget> widget = GetWidget();
if (!widget && mFrameElement) {
// Even if we don't have a widget (e.g. because we're display:none), there's
// probably a widget somewhere in the hierarchy our frame element lives in.
widget = nsContentUtils::WidgetForDocument(mFrameElement->OwnerDoc());
}
if (widget) {
mDPI = widget->GetDPI();
mDefaultScale = widget->GetDefaultScale();
}
}
already_AddRefed<nsIWidget>
TabParent::GetWidget() const
{
nsCOMPtr<nsIContent> content = do_QueryInterface(mFrameElement);
if (!content)
return nullptr;
nsIFrame *frame = content->GetPrimaryFrame();
if (!frame)
return nullptr;
nsCOMPtr<nsIWidget> widget = frame->GetNearestWidget();
return widget.forget();
}
void
TabParent::ApzAwareEventRoutingToChild(ScrollableLayerGuid* aOutTargetGuid,
uint64_t* aOutInputBlockId,
nsEventStatus* aOutApzResponse)
{
if (gfxPrefs::AsyncPanZoomEnabled()) {
if (aOutTargetGuid) {
*aOutTargetGuid = InputAPZContext::GetTargetLayerGuid();
// There may be cases where the APZ hit-testing code came to a different
// conclusion than the main-thread hit-testing code as to where the event
// is destined. In such cases the layersId of the APZ result may not match
// the layersId of this renderframe. In such cases the main-thread hit-
// testing code "wins" so we need to update the guid to reflect this.
if (RenderFrameParent* rfp = GetRenderFrame()) {
if (aOutTargetGuid->mLayersId != rfp->GetLayersId()) {
*aOutTargetGuid = ScrollableLayerGuid(rfp->GetLayersId(), 0, FrameMetrics::NULL_SCROLL_ID);
}
}
}
if (aOutInputBlockId) {
*aOutInputBlockId = InputAPZContext::GetInputBlockId();
}
if (aOutApzResponse) {
*aOutApzResponse = InputAPZContext::GetApzResponse();
}
// Let the widget know that the event will be sent to the child process,
// which will (hopefully) send a confirmation notice back to APZ.
InputAPZContext::SetRoutedToChildProcess();
}
}
bool
TabParent::RecvBrowserFrameOpenWindow(PBrowserParent* aOpener,
const nsString& aURL,
const nsString& aName,
const nsString& aFeatures,
bool* aOutWindowOpened)
{
BrowserElementParent::OpenWindowResult opened =
BrowserElementParent::OpenWindowOOP(TabParent::GetFrom(aOpener),
this, aURL, aName, aFeatures);
*aOutWindowOpened = (opened == BrowserElementParent::OPEN_WINDOW_ADDED);
return true;
}
bool
TabParent::RecvZoomToRect(const uint32_t& aPresShellId,
const ViewID& aViewId,
const CSSRect& aRect)
{
if (RenderFrameParent* rfp = GetRenderFrame()) {
rfp->ZoomToRect(aPresShellId, aViewId, aRect);
}
return true;
}
bool
TabParent::RecvUpdateZoomConstraints(const uint32_t& aPresShellId,
const ViewID& aViewId,
const bool& aIsRoot,
const ZoomConstraints& aConstraints)
{
if (RenderFrameParent* rfp = GetRenderFrame()) {
rfp->UpdateZoomConstraints(aPresShellId, aViewId, aIsRoot, aConstraints);
}
return true;
}
bool
TabParent::RecvContentReceivedInputBlock(const ScrollableLayerGuid& aGuid,
const uint64_t& aInputBlockId,
const bool& aPreventDefault)
{
if (RenderFrameParent* rfp = GetRenderFrame()) {
rfp->ContentReceivedInputBlock(aGuid, aInputBlockId, aPreventDefault);
}
return true;
}
bool
TabParent::RecvSetTargetAPZC(const uint64_t& aInputBlockId,
nsTArray<ScrollableLayerGuid>&& aTargets)
{
if (RenderFrameParent* rfp = GetRenderFrame()) {
rfp->SetTargetAPZC(aInputBlockId, aTargets);
}
return true;
}
bool
TabParent::RecvSetAllowedTouchBehavior(const uint64_t& aInputBlockId,
nsTArray<TouchBehaviorFlags>&& aFlags)
{
if (RenderFrameParent* rfp = GetRenderFrame()) {
rfp->SetAllowedTouchBehavior(aInputBlockId, aFlags);
}
return true;
}
already_AddRefed<nsILoadContext>
TabParent::GetLoadContext()
{
nsCOMPtr<nsILoadContext> loadContext;
if (mLoadContext) {
loadContext = mLoadContext;
} else {
loadContext = new LoadContext(GetOwnerElement(),
OwnOrContainingAppId(),
true /* aIsContent */,
mChromeFlags & nsIWebBrowserChrome::CHROME_PRIVATE_WINDOW,
mChromeFlags & nsIWebBrowserChrome::CHROME_REMOTE_WINDOW,
IsBrowserElement());
mLoadContext = loadContext;
}
return loadContext.forget();
}
NS_IMETHODIMP
TabParent::InjectTouchEvent(const nsAString& aType,
uint32_t* aIdentifiers,
int32_t* aXs,
int32_t* aYs,
uint32_t* aRxs,
uint32_t* aRys,
float* aRotationAngles,
float* aForces,
uint32_t aCount,
int32_t aModifiers)
{
uint32_t msg;
nsContentUtils::GetEventIdAndAtom(aType, eTouchEventClass, &msg);
if (msg != NS_TOUCH_START && msg != NS_TOUCH_MOVE &&
msg != NS_TOUCH_END && msg != NS_TOUCH_CANCEL) {
return NS_ERROR_FAILURE;
}
nsCOMPtr<nsIWidget> widget = GetWidget();
if (!widget) {
return NS_ERROR_FAILURE;
}
WidgetTouchEvent event(true, msg, widget);
event.modifiers = aModifiers;
event.time = PR_IntervalNow();
nsCOMPtr<nsIContent> content = do_QueryInterface(mFrameElement);
if (!content || !content->OwnerDoc()) {
return NS_ERROR_FAILURE;
}
nsIDocument* doc = content->OwnerDoc();
if (!doc || !doc->GetShell()) {
return NS_ERROR_FAILURE;
}
nsPresContext* presContext = doc->GetShell()->GetPresContext();
event.touches.SetCapacity(aCount);
for (uint32_t i = 0; i < aCount; ++i) {
LayoutDeviceIntPoint pt =
LayoutDeviceIntPoint::FromAppUnitsRounded(
CSSPoint::ToAppUnits(CSSPoint(aXs[i], aYs[i])),
presContext->AppUnitsPerDevPixel());
nsRefPtr<Touch> t = new Touch(aIdentifiers[i],
pt,
nsIntPoint(aRxs[i], aRys[i]),
aRotationAngles[i],
aForces[i]);
// Consider all injected touch events as changedTouches. For more details
// about the meaning of changedTouches for each event, see
// https://developer.mozilla.org/docs/Web/API/TouchEvent.changedTouches
t->mChanged = true;
event.touches.AppendElement(t);
}
SendRealTouchEvent(event);
return NS_OK;
}
NS_IMETHODIMP
TabParent::GetUseAsyncPanZoom(bool* useAsyncPanZoom)
{
*useAsyncPanZoom = gfxPrefs::AsyncPanZoomEnabled();
return NS_OK;
}
NS_IMETHODIMP
TabParent::SetIsDocShellActive(bool isActive)
{
unused << SendSetIsDocShellActive(isActive);
return NS_OK;
}
NS_IMETHODIMP
TabParent::GetTabId(uint64_t* aId)
{
*aId = GetTabId();
return NS_OK;
}
NS_IMETHODIMP
TabParent::GetHasContentOpener(bool* aResult)
{
*aResult = mHasContentOpener;
return NS_OK;
}
void
TabParent::SetHasContentOpener(bool aHasContentOpener)
{
mHasContentOpener = aHasContentOpener;
}
class LayerTreeUpdateRunnable final
: public nsRunnable
{
uint64_t mLayersId;
bool mActive;
public:
explicit LayerTreeUpdateRunnable(uint64_t aLayersId, bool aActive)
: mLayersId(aLayersId), mActive(aActive) {}
private:
NS_IMETHOD Run() {
MOZ_ASSERT(NS_IsMainThread());
TabParent* tabParent = TabParent::GetTabParentFromLayersId(mLayersId);
if (tabParent) {
tabParent->LayerTreeUpdate(mActive);
}
return NS_OK;
}
};
// This observer runs on the compositor thread, so we dispatch a runnable to the
// main thread to actually dispatch the event.
class LayerTreeUpdateObserver : public CompositorUpdateObserver
{
virtual void ObserveUpdate(uint64_t aLayersId, bool aActive) {
nsRefPtr<LayerTreeUpdateRunnable> runnable = new LayerTreeUpdateRunnable(aLayersId, aActive);
NS_DispatchToMainThread(runnable);
}
};
bool
TabParent::RequestNotifyLayerTreeReady()
{
RenderFrameParent* frame = GetRenderFrame();
if (!frame) {
mNeedLayerTreeReadyNotification = true;
} else {
CompositorParent::RequestNotifyLayerTreeReady(frame->GetLayersId(),
new LayerTreeUpdateObserver());
}
return true;
}
bool
TabParent::RequestNotifyLayerTreeCleared()
{
RenderFrameParent* frame = GetRenderFrame();
if (!frame) {
return false;
}
CompositorParent::RequestNotifyLayerTreeCleared(frame->GetLayersId(),
new LayerTreeUpdateObserver());
return true;
}
bool
TabParent::LayerTreeUpdate(bool aActive)
{
nsCOMPtr<mozilla::dom::EventTarget> target = do_QueryInterface(mFrameElement);
if (!target) {
NS_WARNING("Could not locate target for layer tree message.");
return true;
}
nsCOMPtr<nsIDOMEvent> event;
NS_NewDOMEvent(getter_AddRefs(event), mFrameElement, nullptr, nullptr);
if (aActive) {
event->InitEvent(NS_LITERAL_STRING("MozLayerTreeReady"), true, false);
} else {
event->InitEvent(NS_LITERAL_STRING("MozLayerTreeCleared"), true, false);
}
event->SetTrusted(true);
event->GetInternalNSEvent()->mFlags.mOnlyChromeDispatch = true;
bool dummy;
mFrameElement->DispatchEvent(event, &dummy);
return true;
}
void
TabParent::SwapLayerTreeObservers(TabParent* aOther)
{
if (IsDestroyed() || aOther->IsDestroyed()) {
return;
}
RenderFrameParent* rfp = GetRenderFrame();
RenderFrameParent* otherRfp = aOther->GetRenderFrame();
if(!rfp || !otherRfp) {
return;
}
CompositorParent::SwapLayerTreeObservers(rfp->GetLayersId(),
otherRfp->GetLayersId());
}
bool
TabParent::RecvRemotePaintIsReady()
{
nsCOMPtr<mozilla::dom::EventTarget> target = do_QueryInterface(mFrameElement);
if (!target) {
NS_WARNING("Could not locate target for MozAfterRemotePaint message.");
return true;
}
nsCOMPtr<nsIDOMEvent> event;
NS_NewDOMEvent(getter_AddRefs(event), mFrameElement, nullptr, nullptr);
event->InitEvent(NS_LITERAL_STRING("MozAfterRemotePaint"), false, false);
event->SetTrusted(true);
event->GetInternalNSEvent()->mFlags.mOnlyChromeDispatch = true;
bool dummy;
mFrameElement->DispatchEvent(event, &dummy);
return true;
}
mozilla::plugins::PPluginWidgetParent*
TabParent::AllocPPluginWidgetParent()
{
return new mozilla::plugins::PluginWidgetParent();
}
bool
TabParent::DeallocPPluginWidgetParent(mozilla::plugins::PPluginWidgetParent* aActor)
{
delete aActor;
return true;
}
nsresult
TabParent::HandleEvent(nsIDOMEvent* aEvent)
{
nsAutoString eventType;
aEvent->GetType(eventType);
if (eventType.EqualsLiteral("MozUpdateWindowPos") && !mIsDestroyed) {
// This event is sent when the widget moved. Therefore we only update
// the position.
return UpdatePosition();
}
return NS_OK;
}
class FakeChannel final : public nsIChannel,
public nsIAuthPromptCallback,
public nsIInterfaceRequestor,
public nsILoadContext
{
public:
FakeChannel(const nsCString& aUri, uint64_t aCallbackId, Element* aElement)
: mCallbackId(aCallbackId)
, mElement(aElement)
{
NS_NewURI(getter_AddRefs(mUri), aUri);
}
NS_DECL_ISUPPORTS
#define NO_IMPL override { return NS_ERROR_NOT_IMPLEMENTED; }
NS_IMETHOD GetName(nsACString&) NO_IMPL
NS_IMETHOD IsPending(bool*) NO_IMPL
NS_IMETHOD GetStatus(nsresult*) NO_IMPL
NS_IMETHOD Cancel(nsresult) NO_IMPL
NS_IMETHOD Suspend() NO_IMPL
NS_IMETHOD Resume() NO_IMPL
NS_IMETHOD GetLoadGroup(nsILoadGroup**) NO_IMPL
NS_IMETHOD SetLoadGroup(nsILoadGroup*) NO_IMPL
NS_IMETHOD SetLoadFlags(nsLoadFlags) NO_IMPL
NS_IMETHOD GetLoadFlags(nsLoadFlags*) NO_IMPL
NS_IMETHOD GetOriginalURI(nsIURI**) NO_IMPL
NS_IMETHOD SetOriginalURI(nsIURI*) NO_IMPL
NS_IMETHOD GetURI(nsIURI** aUri) override
{
nsCOMPtr<nsIURI> copy = mUri;
copy.forget(aUri);
return NS_OK;
}
NS_IMETHOD GetOwner(nsISupports**) NO_IMPL
NS_IMETHOD SetOwner(nsISupports*) NO_IMPL
NS_IMETHOD GetLoadInfo(nsILoadInfo** aLoadInfo) override
{
nsCOMPtr<nsILoadInfo> copy = mLoadInfo;
copy.forget(aLoadInfo);
return NS_OK;
}
NS_IMETHOD SetLoadInfo(nsILoadInfo* aLoadInfo) override
{
mLoadInfo = aLoadInfo;
return NS_OK;
}
NS_IMETHOD GetNotificationCallbacks(nsIInterfaceRequestor** aRequestor) override
{
NS_ADDREF(*aRequestor = this);
return NS_OK;
}
NS_IMETHOD SetNotificationCallbacks(nsIInterfaceRequestor*) NO_IMPL
NS_IMETHOD GetSecurityInfo(nsISupports**) NO_IMPL
NS_IMETHOD GetContentType(nsACString&) NO_IMPL
NS_IMETHOD SetContentType(const nsACString&) NO_IMPL
NS_IMETHOD GetContentCharset(nsACString&) NO_IMPL
NS_IMETHOD SetContentCharset(const nsACString&) NO_IMPL
NS_IMETHOD GetContentLength(int64_t*) NO_IMPL
NS_IMETHOD SetContentLength(int64_t) NO_IMPL
NS_IMETHOD Open(nsIInputStream**) NO_IMPL
NS_IMETHOD AsyncOpen(nsIStreamListener*, nsISupports*) NO_IMPL
NS_IMETHOD GetContentDisposition(uint32_t*) NO_IMPL
NS_IMETHOD SetContentDisposition(uint32_t) NO_IMPL
NS_IMETHOD GetContentDispositionFilename(nsAString&) NO_IMPL
NS_IMETHOD SetContentDispositionFilename(const nsAString&) NO_IMPL
NS_IMETHOD GetContentDispositionHeader(nsACString&) NO_IMPL
NS_IMETHOD OnAuthAvailable(nsISupports *aContext, nsIAuthInformation *aAuthInfo) override;
NS_IMETHOD OnAuthCancelled(nsISupports *aContext, bool userCancel) override;
NS_IMETHOD GetInterface(const nsIID & uuid, void **result) override
{
return QueryInterface(uuid, result);
}
NS_IMETHOD GetAssociatedWindow(nsIDOMWindow**) NO_IMPL
NS_IMETHOD GetTopWindow(nsIDOMWindow**) NO_IMPL
NS_IMETHOD GetTopFrameElement(nsIDOMElement** aElement) override
{
nsCOMPtr<nsIDOMElement> elem = do_QueryInterface(mElement);
elem.forget(aElement);
return NS_OK;
}
NS_IMETHOD GetNestedFrameId(uint64_t*) NO_IMPL
NS_IMETHOD IsAppOfType(uint32_t, bool*) NO_IMPL
NS_IMETHOD GetIsContent(bool*) NO_IMPL
NS_IMETHOD GetUsePrivateBrowsing(bool*) NO_IMPL
NS_IMETHOD SetUsePrivateBrowsing(bool) NO_IMPL
NS_IMETHOD SetPrivateBrowsing(bool) NO_IMPL
NS_IMETHOD GetIsInBrowserElement(bool*) NO_IMPL
NS_IMETHOD GetAppId(uint32_t*) NO_IMPL
NS_IMETHOD GetUseRemoteTabs(bool*) NO_IMPL
NS_IMETHOD SetRemoteTabs(bool) NO_IMPL
#undef NO_IMPL
protected:
~FakeChannel() {}
nsCOMPtr<nsIURI> mUri;
uint64_t mCallbackId;
nsCOMPtr<Element> mElement;
nsCOMPtr<nsILoadInfo> mLoadInfo;
};
NS_IMPL_ISUPPORTS(FakeChannel, nsIChannel, nsIAuthPromptCallback,
nsIRequest, nsIInterfaceRequestor, nsILoadContext);
bool
TabParent::RecvAsyncAuthPrompt(const nsCString& aUri,
const nsString& aRealm,
const uint64_t& aCallbackId)
{
nsCOMPtr<nsIAuthPrompt2> authPrompt;
GetAuthPrompt(nsIAuthPromptProvider::PROMPT_NORMAL,
NS_GET_IID(nsIAuthPrompt2),
getter_AddRefs(authPrompt));
nsRefPtr<FakeChannel> channel = new FakeChannel(aUri, aCallbackId, mFrameElement);
uint32_t promptFlags = nsIAuthInformation::AUTH_HOST;
nsRefPtr<nsAuthInformationHolder> holder =
new nsAuthInformationHolder(promptFlags, aRealm,
EmptyCString());
uint32_t level = nsIAuthPrompt2::LEVEL_NONE;
nsCOMPtr<nsICancelable> dummy;
nsresult rv =
authPrompt->AsyncPromptAuth(channel, channel, nullptr,
level, holder, getter_AddRefs(dummy));
return rv == NS_OK;
}
bool
TabParent::RecvInvokeDragSession(nsTArray<IPCDataTransfer>&& aTransfers,
const uint32_t& aAction,
const nsCString& aVisualDnDData,
const uint32_t& aWidth, const uint32_t& aHeight,
const uint32_t& aStride, const uint8_t& aFormat,
const int32_t& aDragAreaX, const int32_t& aDragAreaY)
{
mInitialDataTransferItems.Clear();
nsPresContext* pc = mFrameElement->OwnerDoc()->GetShell()->GetPresContext();
EventStateManager* esm = pc->EventStateManager();
for (uint32_t i = 0; i < aTransfers.Length(); ++i) {
auto& items = aTransfers[i].items();
nsTArray<DataTransferItem>* itemArray = mInitialDataTransferItems.AppendElement();
for (uint32_t j = 0; j < items.Length(); ++j) {
const IPCDataTransferItem& item = items[j];
DataTransferItem* localItem = itemArray->AppendElement();
localItem->mFlavor = item.flavor();
if (item.data().type() == IPCDataTransferData::TnsString) {
localItem->mType = DataTransferItem::DataType::eString;
localItem->mStringData = item.data().get_nsString();
} else if (item.data().type() == IPCDataTransferData::TPBlobChild) {
localItem->mType = DataTransferItem::DataType::eBlob;
BlobParent* blobParent =
static_cast<BlobParent*>(item.data().get_PBlobParent());
if (blobParent) {
localItem->mBlobData = blobParent->GetBlobImpl();
}
}
}
}
if (Manager()->IsContentParent()) {
nsCOMPtr<nsIDragService> dragService =
do_GetService("@mozilla.org/widget/dragservice;1");
if (dragService) {
dragService->MaybeAddChildProcess(Manager()->AsContentParent());
}
}
if (aVisualDnDData.IsEmpty() ||
(aVisualDnDData.Length() < aHeight * aStride)) {
mDnDVisualization = nullptr;
} else {
mDnDVisualization =
new mozilla::gfx::SourceSurfaceRawData();
mozilla::gfx::SourceSurfaceRawData* raw =
static_cast<mozilla::gfx::SourceSurfaceRawData*>(mDnDVisualization.get());
raw->InitWrappingData(
reinterpret_cast<uint8_t*>(const_cast<nsCString&>(aVisualDnDData).BeginWriting()),
mozilla::gfx::IntSize(aWidth, aHeight), aStride,
static_cast<mozilla::gfx::SurfaceFormat>(aFormat), false);
raw->GuaranteePersistance();
}
mDragAreaX = aDragAreaX;
mDragAreaY = aDragAreaY;
esm->BeginTrackingRemoteDragGesture(mFrameElement);
return true;
}
void
TabParent::AddInitialDnDDataTo(DataTransfer* aDataTransfer)
{
for (uint32_t i = 0; i < mInitialDataTransferItems.Length(); ++i) {
nsTArray<DataTransferItem>& itemArray = mInitialDataTransferItems[i];
for (uint32_t j = 0; j < itemArray.Length(); ++j) {
DataTransferItem& item = itemArray[j];
nsCOMPtr<nsIWritableVariant> variant =
do_CreateInstance(NS_VARIANT_CONTRACTID);
if (!variant) {
break;
}
// Special case kFilePromiseMime so that we get the right
// nsIFlavorDataProvider for it.
if (item.mFlavor.EqualsLiteral(kFilePromiseMime)) {
nsRefPtr<nsISupports> flavorDataProvider =
new nsContentAreaDragDropDataProvider();
variant->SetAsISupports(flavorDataProvider);
} else if (item.mType == DataTransferItem::DataType::eString) {
variant->SetAsAString(item.mStringData);
} else if (item.mType == DataTransferItem::DataType::eBlob) {
variant->SetAsISupports(item.mBlobData);
}
// Using system principal here, since once the data is on parent process
// side, it can be handled as being from browser chrome or OS.
aDataTransfer->SetDataWithPrincipal(NS_ConvertUTF8toUTF16(item.mFlavor),
variant, i,
nsContentUtils::GetSystemPrincipal());
}
}
mInitialDataTransferItems.Clear();
}
void
TabParent::TakeDragVisualization(RefPtr<mozilla::gfx::SourceSurface>& aSurface,
int32_t& aDragAreaX, int32_t& aDragAreaY)
{
aSurface = mDnDVisualization.forget();
aDragAreaX = mDragAreaX;
aDragAreaY = mDragAreaY;
}
NS_IMETHODIMP
FakeChannel::OnAuthAvailable(nsISupports *aContext, nsIAuthInformation *aAuthInfo)
{
nsAuthInformationHolder* holder =
static_cast<nsAuthInformationHolder*>(aAuthInfo);
if (!net::gNeckoChild->SendOnAuthAvailable(mCallbackId,
holder->User(),
holder->Password(),
holder->Domain())) {
return NS_ERROR_FAILURE;
}
return NS_OK;
}
NS_IMETHODIMP
FakeChannel::OnAuthCancelled(nsISupports *aContext, bool userCancel)
{
if (!net::gNeckoChild->SendOnAuthCancelled(mCallbackId, userCancel)) {
return NS_ERROR_FAILURE;
}
return NS_OK;
}
} // namespace tabs
} // namespace mozilla
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